The combining capacity of an atom or a radical determined by the number of electrons that it will lose, add, or share when it reacts with other atoms.
化合價(jià),原子價(jià)原子或原子團(tuán)與其它原子反映時(shí)由所失、增加成共享的電子數(shù)目決定的化合能力
The number of atoms in a molecule.
原子數(shù),原子價(jià),化合價(jià)單質(zhì)分子中的原子數(shù)
The hydrocarbon radical, C6H13, having valence1.
己基碳?xì)浠衔锘珻6H13,原子價(jià)為1
The silicon atom occupies the space opening(interstice)between the oxygen atoms and shares four valence electrons with the four oxygen atoms.
硅原子占據(jù)了氧原子之間的空隙并且和四個(gè)氧原子共用化合價(jià)。
(chemistry) having a valence of three.
(化學(xué))有三價(jià)原子的。
(chemistry) haveing a valence of four.
(化學(xué))有四價(jià)原子的。
(chemistry) having a valence of five.
(化學(xué))有五個(gè)原子價(jià)的。
a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals.
氨中的氫原子被單價(jià)烴基替代后形成的化合物。
(chemistry) having a valence of two or having two valences.
(化學(xué))有二個(gè)原子價(jià)之一的,或有兩個(gè)原子價(jià)的。
A set of eight valence electrons in an atom or ion, forming a stable configuration.
八重態(tài)在一個(gè)原子或離子中,形成穩(wěn)定組態(tài)的一組八個(gè)化合價(jià)電子
" Ligand: Atom, group (see functional group), or molecule attached to a central atom, usually of a transition element, in a coordination or complex compound."
配位體:與一個(gè)中心原子相連的原子或分子,通常是過(guò)渡元素,形成共價(jià)鍵化合物或復(fù)合離子。
Having a valence of5.
五價(jià)的有五個(gè)原子價(jià)的
A hydrocarbon radical, C4H9, with the structure of butane and valence1.
丁基一種碳?xì)浠系幕鶊F(tuán),C4H9,具有丁烷的結(jié)構(gòu),原子價(jià)為
A divalent atom or radical.
二價(jià)原子二價(jià)的原子或基
This ten-dollar hat is now on sale for five.
帽子大減價(jià),原價(jià)10 美元,現(xiàn)價(jià)5 美元。
Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent Bond.
過(guò)氧化物: 任何由兩個(gè)氧原子以單個(gè)共價(jià)鍵相互結(jié)合在一起的一類(lèi)化合物。
Spectrochemical order and valence shell electronic structure of coordination atoms;
光譜化學(xué)序列與配位原子的價(jià)層電子結(jié)構(gòu)
Having valence3.
三價(jià)的化合價(jià)為3的