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continuous scale from covalent to ionic bonding. The loosely defined term electropositivity is the opposite of electronegativity: it characterizes an element's...

rousing responses, but the average score generally increased with electropositivity. Further testing using salt bridge electrochemical cells were conducted...

order to attain a stable configuration. This property is known as electropositivity. Non-metals, on the other hand, are characterized by having an electron...

overlap). This is expected, as metallicity tends to be correlated with electropositivity and the willingness to lose electrons, which increases right to left...

from the pedagogical perspective as caesium also has the highest electropositivity of all commonly available elements and fluorine has the highest electronegativity...

compound that combines silicon and a usually more electropositive element. Silicon is more electropositive than carbon. In terms of their physical properties...

determined that thorium was a very electropositive metal, ahead of cerium and behind zirconium in electropositivity. Metallic thorium was isolated for...

because especially the group 3 elements and many lanthanides are electropositive elements with only one main oxidation state like the group 1 and 2...

and environment sensing (sonar). Metallic elements which are more electropositive than hydrogen, particularly the alkali metals and, to a lesser extent...

class of oxides wherein the electropositive element is in excess relative to the “normal” oxides. When the electropositive element is a metal, the compounds...

lanthanides and actinides are very electropositive to electropositive; the transition metals in groups 3 to 12 are very electropositive to electronegative; and the...

organometallic product. The reaction commonly involves the use of electropositive metals (Li, Na, Mg) and organochlorides, bromides, and iodides. Particularly...

electronegative and have frontier orbitals below those of the d orbitals of electropositive metals. Towards the right of the d-block, when approaching the transition-metal–main...

part is an element or radical that is less electronegative (or more electropositive) than the halogen, to make a fluoride, chloride, bromide, iodide, astatide...

follows: Atomic s character concentrates in orbitals directed toward electropositive substituents. Valence bond theory gives a good approximation of molecular...

those of the heavier group 13 elements. As such, aluminium is the most electropositive metal in its group, and its hydroxide is in fact more basic than that...

more than one component, then they are divided into two classes, the electropositive and the electronegative components. In addition the Chemical Abstracts...

compound consisting of at least one chalcogen anion and at least one more electropositive element. Although all group 16 elements of the periodic table are defined...

distinctive nature: s is characterized, except in H and He, by highly electropositive metals; p by a range of very distinctive metals and non-metals, many...

niobium. It is malleable, ductile, slightly paramagnetic, strongly electropositive and a poor electrical conductor. Uranium metal has a very high density...

to the valency number, the oxidation state can be positive (for an electropositive atom) or negative (for an electronegative atom). Elements in a high...

appears), has a half-life of only 22 minutes. It is the second-most electropositive element, behind only caesium, and is the second rarest naturally occurring...

consisting only of boron and hydrogen. Hydrides can bond to these electropositive elements not only as a terminal ligand but also as bridging ligands...

partially ionic due to oganesson's high electropositivity. Oganesson is predicted to be sufficiently electropositive to form an Og–Cl bond with chlorine....

diselenide (Cu(Ga,In)Se2). These materials are semiconductors. With highly electropositive metals, such as aluminium, these selenides are prone to hydrolysis...

barrier between steel and the atmosphere. However, zinc is a more electropositive (active) metal in comparison to steel. This is a unique characteristic...

wire. In the absence of protective measures, the relatively high electropositivity of aluminium renders it susceptible to galvanic corrosion when in...

implant it with suitable dopants. The electrode is a cathode for an electropositive plasma, while it is an anode for an electronegative plasma. Plasma...

dissolve. Liquid ammonia will dissolve all of the alkali metals and other electropositive metals such as Ca, Sr, Ba, Eu and Yb (also Mg using an electrolytic...

ocean. Shark repellent technologies include magnetic shark repellent, electropositive shark repellents, electric repellents, and semiochemicals. Some electric...

as a major one, and like the preceding main-group metals are quite electropositive and have a less rich coordination chemistry. Due to the effects of...

surface of neutral phenol molecule, showing neutral regions in green, electronegative areas in orange-red, and the electropositive phenolic proton in blue....

classes: 1) The first includes substances which, [when] united with electropositive [elements], immediately produce salts, and which I therefore name "salt-formers"...

probably an electride compound. Due to the large ionic radius and great electropositivity of La3+ , there is not much covalent contribution to its bonding and...

OsO4 often have strictly acidic reactions; and oxides of the less electropositive metals such as BeO, Al2O3, and PbO, can display both basic and acidic...

(Sn(II)), and diphosphenes (P(I)). Thus organic derivatives of the electropositive alkali metals and alkaline earth metals tend to be highly reactive...

general formula is reversed, so that the X sites are occupied by an electropositive ion, i.e., cation (such as an alkali metal), while A and B sites are...

thiocyanate and thiosulfate, respectively. Sulfur reacts with many metals. Electropositive metals give polysulfide salts. Copper, zinc, and silver are attacked...

are higher than those for heavier group III elements, reflecting its electropositive character. Elemental boron is rare and poorly studied because the pure...

although charge separation is not actually complete even for these highly electropositive elements. However, the alkali metal azides NaN3 and KN3, featuring...

first reports of low-temperature thermal ALD processes for several electropositive metals. Chromium metal was deposited using a chromium alkoxide precursor...

was the same as in Volta's series for contact-electricity, the most electropositive metals giving the largest photo-electric effect. In 1887, Heinrich...

interconnected Pd4(CO)4(OAc)4 and Pd(acac)2 units. When alloyed with a more electropositive element, palladium can acquire a negative charge. Such compounds are...

Subnitrides are a class of nitrides wherein the electropositive element is in excess relative to the “normal” nitrides. Examples of subnitrides include...

reduced forms of bismuth. Bismuthides are compounds of bismuth with more electropositive elements. A wide variety are known. The stoichiometry of bismuthides...

classes: 1) The first includes substances which, [when] united with electropositive [elements], immediately produce salts, and which I therefore name "salt-formers"...

ductile. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Terbium is never...

invariably found in the +2 oxidation state. As expected for a highly electropositive metal, barium's reaction with chalcogens is highly exothermic (release...

hydrogen atom as a hydride ion. Reductants in chemistry are very diverse. Electropositive elemental metals, such as lithium, sodium, magnesium, iron, zinc, and...

hydrogen. Ionic or saline hydrides are composed of hydride bound to an electropositive metal, generally an alkali metal or alkaline earth metal. The divalent...

sophisticated analysis, such as spectroscopy. Rubidium is the second most electropositive of the stable alkali metals and has a very low first ionization energy...

only the group oxidation state of +4 as a major one, and are quite electropositive and have a less rich coordination chemistry. Due to the effects of...

to react to form water. But if the metals making up the cations are electropositive enough, and the conditions are reducing enough, solid materials can...

metal to the further oxidation: 4Nd + 3O2 → 2Nd2O3 Neodymium is an electropositive element, and it reacts slowly with cold water, or quickly with hot...

form dysprosium(III) oxide: 4 Dy + 3 O2 → 2 Dy2O3 Dysprosium is quite electropositive and reacts slowly with cold water (and quickly with hot water) to form...

ligands or interstitial atoms, rather than vertices. Larger and more electropositive atoms tend to occupy vertices of high connectivity and smaller more...

818), ε (1.8), ζ (1.778), ι (1.714), θ, and σ. Praseodymium is an electropositive element and reacts slowly with cold water and quite quickly with hot...

table—particularly sulfur (S), selenium (Se) and tellurium (Te)—react with more electropositive elements, such as silver, to form chalcogenides. These are extremely...

chloride to lower the melting point below 700 °C. As calcium is less electropositive than sodium, no calcium will be deposited at the cathode. This method...

fishing gear without affecting the target catch. The repellent effect of electropositive metals on sharks was confirmed by the National Marine Fisheries Service...

only the group oxidation state of +5 as a major one, and are quite electropositive (it is easy to donate electrons) and have a less rich coordination...

non-active metals such as copper and silver. With these non-active or less electropositive metals the products depend on temperature and the acid concentration...

higher atomic mass and is more electropositive than other (nonradioactive) alkali metals. Caesium is the most electropositive chemical element. The caesium...

ionized into solvated K+ and Cl− ions. Although potassium is more electropositive than sodium, KCl can be reduced to the metal by reaction with metallic...

electrostatic forces. The bonds between even the most electronegative/electropositive pairs such as those in caesium fluoride exhibit a small degree of covalency...

oxides are usually somewhat ionic, depending upon the metal element electropositivity. On the other hand, oxides of metals with high oxidation states are...

covalent character of many of its compounds ... Yet it is a highly electropositive metal ... [with] a high negative electrode potential". Moody says that...

carbides is not systematic. Salt-like carbides are composed of highly electropositive elements such as the alkali metals, alkaline earth metals, lanthanides...

of XeF 6, because of the inert pair effect. Because radon is quite electropositive for a noble gas, it is possible that radon fluorides actually take...

that thallium conforms to the general rule of elements being more electropositive in their lower oxidation states. Thallium is malleable and sectile...

properties, and forms dielectric oxide layers. Niobium is slightly less electropositive and more compact than its predecessor in the periodic table, zirconium...

a theory of chemical combination stressing the electronegative and electropositive characters of the combining atoms. By the mid 19th century, Edward...

can also be prepared by hydrolysis of the telluride derivatives of electropositive metals. The typical hydrolysis is that of aluminium telluride: Al2Te3...

electronegative atom keeps the pair of electrons becoming anionic while the more electropositive atom becomes cationic. Heterolytic fission almost always happens to...

most electronegative atoms and positive charge, if any, on the most electropositive; do not deviate substantially from idealized bond lengths and angles...

francium superoxide (FrO2). Thus, instead of ununennium being the most electropositive element, as a simple extrapolation would seem to indicate, caesium...

During the time of Maxwell and Faraday, concerns came about[vague] for electropositive and electronegative activities. In November 1875, Paul Émile Lecoq...

called stibnides or stibinides) are compounds of antimony with more electropositive elements. The antimonide ion is Sb3− but the term refers also to any...

Chemistry in the 0 oxidation state is far more limited. In fact, their electropositive nature makes their organometallic compounds more likely to be ionic...

water, but quickly in acids, liberating hydrogen. Ytterbium is quite electropositive, and it reacts slowly with cold water and quite quickly with hot water...

in and to the right of group 14. The former generally combine with electropositive metals to make intermetallic compounds whereas the latter usually form...

heteronuclear-bond orders at the atom as positive if that atom is the electropositive partner in a particular bond and as negative if not, and the atom’s...

other polar reagent to an asymmetric alkene, the acid hydrogen (H) or electropositive part gets attached to the carbon with more hydrogen substituents, and...

oxides of several metals into their elements. Gadolinium is quite electropositive and reacts slowly with cold water and quite quickly with hot water...

by sealing it under an inert gas such as argon. Samarium is quite electropositive and reacts slowly with cold water and rapidly with hot water to form...

horizontally)—the curve obtained is a series of maximums and minimums—the most electropositive elements would appear at the peaks of the curve in the order of their...

but lower than the second ionization energy of all except the most electropositive metals. The heating is achieved by a radio-frequency current passed...

denoted H−, and is used when hydrogen forms a compound with a more electropositive element. The existence of the hydride anion, suggested by Gilbert N...

requisite radicals can arise by abstraction of a halogen atom by a electropositive metal. The addition proceeds in an anti-Markovnikov fashion. Early...

electronegativity of the oxygen double bonded with the carbon. The electropositive carbon will react with a negatively charged molecule and other electron-rich...

metallic cerium can be highly pyrophoric: Ce + O2 → CeO2 Being highly electropositive, cerium reacts with water. The reaction is slow with cold water but...

these phases were ionic, with complete electron transfer from the more electropositive metal to the more electronegative main group element. The structure...

organometallic compounds is generally highly covalent. For highly electropositive elements, such as lithium and sodium, the carbon ligand exhibits carbanionic...

Menningococcal type IV pili bind DNA through the minor pilin ComP via an electropositive stripe that is predicted to be exposed on the filament's surface. ComP...

The thermite reaction The reaction of alkali metals and other highly electropositive metals with water Condensation of rain from water vapor Mixing water...

of Ag+, an effect which is not present in the halides of the more electropositive sodium, nor in silver fluoride in which the fluoride ion is relatively...

coordination chemistry of praseodymium is largely that of the large, electropositive Pr3+ ion, and is thus largely similar to those of the other early lanthanides...

± ½, and these resultant charges are possessed mainly by the most electropositive and electronegative atoms and are distributed in such a way as to correspond...

enough to make the reduction potentials indicate it as being the most electropositive alkali metal, despite the difficulty of ionising it in the gas phase...

are less electropositive than nickel, such as copper, the initial nickel layer can be created by immersing a piece of a more electropositive metal, such...

Electronic protective measures Electropermanent magnet Electropositive metal, in electropositive shark repellent Elevated plus maze, a rodent-based model...

Menningococcal type IV pili bind DNA through the minor pilin ComP via an electropositive stripe that is predicted to be exposed on the filament's surface. ComP...

to each other chemically. They all form X2− ions when reacting with electropositive metals. Sulfide minerals and analogous compounds produce gases upon...

long chains. Despite these similarities, silicon is considerably more electropositive than carbon, and silicon compounds do not readily recombine into different...

A germanide is any binary compound of germanium and a more electropositive element. The composition of most germanides is analogous to that of the corresponding...

holmium possesses a metallic, bright silvery luster. Holmium is quite electropositive: on the Pauling electronegativity scale, it has an electronegativity...

Tm2O3 Thulium dust can cause explosions and fires. Thulium is quite electropositive and reacts slowly with cold water and quite quickly with hot water...

NaBH(O2CCH3)3 + 3 H2 Related reactions occur for hydrides of other electropositive elements, e.g. lithium aluminium hydride. The alkyl derivatives of...

many different ligands to bind to the molecule. Exosite I and II are electropositive and help recognize macromolecular substrates, effectors, and inhibitors...

electronegative element, is capable of forming sulfonic acid bases with electropositive elements, and sulfides (similar to anhydrides) with electronegative...

strengthen the current, it was most advantageous to drive the northerly electropositive electrode deeper into the medium than the southerly electrode. The...

reaction, the alcohol nucleophilically displaces chlorine from the electropositive chromium(VI) metal. The chloride anion then acts as a base to afford...

clamp architecture. The interior of the U-shaped clamp is largely electropositive, capable of binding negatively-charged DNA. Similar to DNase I, DNase...

Pr, Tb) or +2 (Sm, Eu, Yb) ions. All of these forms are strongly electropositive and thus lanthanide ions are hard Lewis acids. The oxidation states...

suite of computational chemistry tools. It is shaded from blue for electropositive areas to red for electronegative areas. The surface was generated by...

electrowinning, the wanted metal can be isolated by using a molten alloy of an electropositive metal and a less reactive metal. Since the majority of the long term...

heat and electricity, are generally not reflectors of light and not electropositive; that is, no metalloid fails of all these tests. The term seems to...

called methanide); the other carbon group elements form Zintl ions with electropositive metals such as magnesium. Silicon and germanium, both metalloids, each...

a mixture of fluoride and hydride anions, generally with strongly electropositive metal cations. Unlike other types of mixed hydrides such as oxyhydrides...

a copper wire, the conduction of electrons accelerates towards the electropositive end, thereby creating a current. These electrons encounter resistance...

Disodium methyl arsenate Disulfoton Dithiopyr Dow Chemical Company Electropositive shark repellent Environmental effects of pesticides Ethephon Ethoprop...

inductive effect. A simple explanation of the term would state that electropositive atoms (such as carbon groups) attached in close proximity to the potential...

and dimetallynes of all carbon group elements known by 2002. The electropositivity of boron makes B=B bonds extremely rare. Dimetallenes and dimetallynes...

molecules: the carbon to which the halogen is attached is slightly electropositive where the halogen is slightly electronegative. This results in an electron...

rule: "Atomic s character concentrates in orbitals directed towards electropositive substituents". For molecules with lone pairs, the bonding orbitals...

readily to form erbium(III) oxide: 4 Er + 3 O2 → 2 Er2O3 Erbium is quite electropositive and reacts slowly with cold water and quite quickly with hot water...

The main group metal in the organometallic partner is usually an electropositive element such as tin, zinc, silicon, or boron. Many cross-couplings...

dipole moments generated by helices within the active site generates an electropositive region for ideal reactivity with MIO. The partially positive regions...

structure via a Grignard reaction which sterically shielded the highly electropositive boron. The stabilized product was then treated with the sterically...

less of the Xe-135 may be destroyed. 135Cs is the only alkaline or electropositive LLFP; in contrast, the main medium-lived fission products and the minor...

disintegrate. Tin pest can be avoided by alloying with small amounts of electropositive metals or semimetals soluble in tin's solid phase, e.g. antimony or...

stabilization. The strength of carbene ligands is attributed to the electropositive carbon center that forms strong bonds of a covalent nature with the...

form interchalcogen compounds. Although no chalcogen is extremely electropositive, nor quite as electronegative as the halogen fluorine (the most electronegative...

phase than the corresponding carbocations, because silicon is more electropositive than carbon. However, silicon stabilizes higher coordination numbers...

electronegativity values. The X ligand is attracted to highly electropositive metals. If M1 is a more electropositive metal than M2, it is thermodynamically favorable...

more electropositive element. Binary silicon compounds can be grouped into several classes. Saltlike silicides are formed with the electropositive s-block...

calcium nitride (Ca3N2), and strontium nitride (Sr3N2). The nitrides of electropositive metals (including Li, Zn, and the alkaline earth metals) readily hydrolyze...

to be analyzed. Oxygen primary ions are often used to investigate electropositive elements due to an increase of the generation probability of positive...

equatorial conformation. This term refers to the apparent preference of electropositive substituents for the equatorial conformation beyond what normal steric...

remained elusive until 2014. Betrand et al. argued that due to boron's electropositivity and thus preference to be electron-poor, CAAC (cyclic (alkyl)(amino)carbene)...

Berzelius classified elements into two groups, electronegative and electropositive depending which pole of a galvanic battery they were released from...

any conclusions drawn from diaryl carbenes. Simulations suggest that electropositive heteroatoms can thermodynamically stabilize triplet carbenes, such...

during partial weight bearing a long bone;[citation needed] where electropositive convex surface and electronegative concave surface activates osteoclasts...

the Smaug-SAM domain, which could be the RNA-binding surface. This electropositive potential is unique among all previously determined SAM-domain structures...

that contain a four-stranded beta-sheet and two alpha-helices. The electropositive surface of RRMs 1 and 2 is a RNA annealing domain while the cleft between...

At the negative electrode zinc is the electroactive species. It is electropositive, with a standard reduction potential E° = −0.76 V vs SHE. The negative...

lone pair of electrons present on the oxygen or sulfur attacks the electropositive carbonyl carbon. The 20 naturally occurring biological amino acids...

1131914. PMID 17023656. S2CID 21040230. Halford, Bethany. "Attacks: Electropositive element pressed into action as nucleophilic boryllithium" Chemical...

in semi-conductors such as gallium arsenide. Zinc and cadmium are electropositive while mercury is not. As a result, zinc and cadmium metal are good...

[citation needed] The hydride ion H− is stabilised by being surrounded by electropositive elements such as alkalis or alkaline earths. Quaternary compounds exist...

non-bonding SOMO (singly occupied molecular orbital) due to a more electropositive and diffuse central atom. The barrier for inversion has been calculated...

atoms will lose electrons in preference to the iron as they are more electropositive and therefore zinc is oxidized and corrodes. Zn(s)→Zn2+ (aq) +2e (oxidation)...

periodic tables include: 1895 — Thomsen's systematic arrangement: Electropositive and electronegative elements labelled 1911 — Adam's table: Separation...

of TiS2 is its ability to undergo intercalation upon treatment with electropositive elements. The process is a redox reaction, illustrated in the case...

(HCl) and alcohols (HOR), readily cleave the B–C bond, with the more electropositive component bonding to carbon. With the frontier orbitals of borirenes...

that of the later actinides and conforms to the trend of increasing electropositivity and reactivity as the actinide series is traversed. The most important...

plutonium hexafluoride, a majority of fission products (especially electropositive elements: lanthanides, strontium, barium, yttrium, caesium) form nonvolatile...

mobile. Partial reduction of arsenic with alkali metals (and related electropositive elements) affords polyarsenic compounds, which are members of the Zintl...

the carbon, while backdonation from the metal is more prominent for electropositive, early transition metals, provided the metal is not d0 (i.e., the metal...

to oxygen, water, and even ethereal solvents. To sustain the highly electropositive calcium center, the vast majority of compounds have anionic ligands...

silicon. Counter cations that balance the electric charge are mostly electropositive metals from the alkali metals, alkaline earths or rare earth elements...

metal-like electrical conductivity. Many are nonstoichiometric compounds. Electropositive metals (Ti, Zr, Hf, Zn) and some other metals form hydrides with the...

electrides. Liquid ammonia will dissolve all of the alkali metals and other electropositive metals such as Ca, Sr, Ba, Eu, and Yb (also Mg using an electrolytic...

interaction and the stronger the stereoelectronic effect. If there is an electropositive substituent (e.g. –SiR3, –SnR3, –HgR, etc.) at the β-position of carbocation...

electrons from the nucleus that its heavier congeners do. Aluminium's electropositive behavior, high affinity for oxygen, and highly negative standard electrode...

outwards, to the same side as the R substituent on the nitrogen, whereas electropositive substituents prefer to rotate inwards. Note that with aziridines, ring...

not fully understood. Corriu and coworkers suggested that greater electropositive character at the pentavalent silicon atom may be responsible for its...

phosphorothiolate ester, as the phosphorus atoms become much more electropositive. Parathion resistance is a special case of acetylcholinesterase inhibitor...

indium. This is one of three known indium chlorides. Being a relatively electropositive metal, indium reacts quickly with chlorine to give the trichloride...

coworkers reported another stable Bi(II) radical, supported by two electropositive Ga(III) centers. The Bi(II) radical complex was synthesized through...

formula GeH−3. Germyl is the IUPAC term for the –GeH3 group. For less electropositive elements the bond can be considered covalent rather than ionic as "germanide"...

thiocyanate and thiosulfate, respectively. Sulfur reacts with many metals. Electropositive metals give polysulfide salts. Copper, zinc and silver are tarnished...

orbitals with more s character should be directed towards the very electropositive lone pairs, while that leaves orbitals with more p character directed...

first binder to make use of cyanostilbene's electropositive CH groups. The CH bonds create an electropositive region in the center of the macrocycle, creating...

Canyon, California. Environmental Biology of Fishes. 63, 117–135. Electropositive shark repellent Huveneers, Charlie (2018). "Effectiveness of five personal...

anions from a hexafluoroantimonate (SbF−6) anion that coordinate to the electropositive chlorine atom are shown in yellowish-green at the periphery, at right...

complexes, the insertion of SO2 has been examined in particular detail. Electropositive metals such as sodium, potassium, magnesium, zinc, etc. can insert...

them amenable to use in synthesis; however, because silicon is less electropositive than other metals employed in electrophilic additions, stronger electrophiles...

of XeF 6, because of the inert-pair effect. Because radon is quite electropositive for a noble gas, it is possible that radon fluorides actually take...

electron density heavily polarized toward the carbon atom. The more electropositive the attached metal atom, the closer the behavior of the reagent is...

although charge separation is not actually complete even for these highly electropositive elements. However, the alkali metal azides NaN3 and KN3, featuring...

covalent in nature, noting it can form ionic hydrides with highly electropositive metals, and alloy-like hydrides with some transition metals. The common...

calcium atom which is [Ar]4s2. In coordination complexes between an electropositive transition metal atom and an electronegative ligand, the transition...

solvents – they are 3-dimensional solid state polymers. For those with electropositive metals, the materials hydrolyze: Ca3P2 + 6 H2O → 3 Ca(OH)2 + 2 PH3...

electronegative component of the compound became the noun and the electropositive component became an adjective. The adjectives were associated with...

reacting difluorodithiophosphoric acid (HS2PF2) with electropositive metals. Less electropositive metals salts may be produced by a reaction of the acid...

layered metal chalcogenide. It includes a group 16 anion (Se2−) and an electropositive element (Sn2+), and is arranged in a layered structure. Tin(II) selenide...

the α-aminonitrile performs a nucleophilic attack on the slightly electropositive carbon of carbon disulfide. This addition reaction pushes electrons...

electronegative sense, it is necessary for the counterion to be exceptionally electropositive for the hydride to possibly be accurately described as truly behaving...

(alkali metal) and Group 2 (alkaline earth metal) elements are very electropositive and are often seen in the +1 or +2 oxidation state. The strong π-accepting...

silicon oxide to give silicides. Nevertheless, even with these highly electropositive elements true silicon anions are not obtainable, and most of these...

general formula XYZ where X is a more electropositive transition metal (such as Ti or Zr), Y is a less electropositive transition metal (such Ni or Co), and...

rule: "Atomic s character concentrates in orbitals directed toward electropositive substituents". The bond length between similar atoms also shortens...

intermetallic compounds and how the electron could be transferred from a more electropositive metal. In the Zintl phase, the structure of the Zintl ion (polyanion)...

anisotropic electron distribution in the Pn atom affording a directional electropositive region, resulting in an attractive electrostatic interaction. As the...

driving sharks away from an area and includes magnetic shark repellent, electropositive shark repellents, electrical repellents (including Shark Shield) and...

esters (no reaction). They proposed that the iodide source was not electropositive enough. So they decided to use ICl which is more polar than I2, in...

fashion), using computational chemistry tools. It is shaded from blue for electropositive areas to red for electronegative areas. Molecular surface (disambiguation)...

based on electronegativity. The recommendations still use the terms electropositive and electronegative to refer to an element's relative position in this...

Superbases are used in organocatalysis. Organometallic compounds of electropositive metals are superbases, but they are generally strong nucleophiles....

anomeric effect, proposed in 1965 by R. U. Lemieux, is the tendency for electropositive groups at the anomeric position to be oriented equatorially. Original...

manipulation of C-Cl bonds. Of some interest in organic synthesis, electropositive metals react with many organic halides in a metal-halogen exchange:...

fluoride battery relies on reversible electrochemical fluorination of an electropositive metal (M') at the anode side, at the expense of a more noble metal...

offers a wider range of chemical activity, such as nickel, being a more electropositive transition metal which allows it to undergo oxidative addition readily;...

suggesting the structure of an endohedral fullerene. Doping fullerenes with electropositive metals takes place in a 1 kV direct current arc reactor or via laser...

produced in the alpha decay of polonium. The polonides of the most electropositive metals show classic ionic structural types, and can be considered to...

Antonina (2020-01-06). "Katanin Grips the β-Tubulin Tail through an Electropositive Double Spiral to Sever Microtubules". Developmental Cell. 52 (1): 118–131...

The third task led to development of a micro method of analysis of electropositive metals using a molten platinum bath. The immediate result of the research...

trisilaallene had a Si=Si=Si bond angle of 136.5º. While the bulky and electropositive silyl ( tBu2MeSi-) substituents widened the bond angle to 164.3º (calculated)...

pockets in the major sperm protein domain of VAP, which has a large electropositive patch nearby. The NMR study indicated a "fly-casting" process, whereby...

discrete units in intermetallic compounds separated from each other by electropositive atoms such as [Sn@Cu12@Sn20]12−, as soluble ions [As@Ni12@As20]3− or...

Bent's rule: s character is concentrated in the bonds to the more electropositive substituents, while p character is concentrated in the bonds to the...

diselenide (Cu(Ga,In)Se2). These materials are semiconductors. With highly electropositive metals, such as aluminium, these selenides are prone to hydrolysis:...

is isoelectronic with methane but more electron-rich owing to the electropositive character of boron and the negative charge. It binds to soft and hard...

double bonds are favored substrates. Because silicon (1.90) is more electropositive than hydrogen (2.20), hydrosilanes exhibit (mild) hydridic character...

behaviour. Coordination via the oxygen atom is favoured by hard, highly electropositive centres. This is due to the fact that oxygen is a more electronegative...

Irish Academy in 1832. He studied acids, showed that hydrogen was electropositive, and proposed the existence of the ethyl radical. In 1836 he travelled...