与 «VALENCY ELECTRON»相关的英语书籍
在以下的参考文献中发现
valency electron的用法。与
valency electron相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
A History of the Concept of
Valency to 1930
A molecule of benzene, C6H6, must contain (6 x 4) + 6 = 30 valency electrons : of
these 24 are employed in 1 2 electron pairs localized between pairs of carbon
atoms or between carbon and hydrogen atoms respectively. One valency
electron ...
2
A Textbook of Engineering Material and Metallurgy
Lithium has one valency electron so it is not possible for one lithium atom to get
bonded to eight other atoms through covalent bonds. According to 'electron sea'
model besides the valency electron of a particular atom, the valency electrons of
...
Amandeep Singh Wadhwa, Er. Harvinder Singh Dhaliwal, 2008
3
Electrical Engineering Materials
The third one is the ionic bond where the atoms of different elements transfer
electrons from one to the other so that both have stable outermost orbits. For
example, in sodium chloride, sodium atom gives out its one valency electron to
chlorine ...
Technical Teachers' Training Institute, Madras, 1989
4
The Internal Constitution of the Stars
The elements immediately succeeding the inert gases have one rather loose
electron starting the new group; this is called a valency electron and is
responsible for their chemical behaviour as monovalent elements. They are
succeeded by ...
Arthur S. Eddington, Sir Arthur Stanley Eddington, 1988
5
Introductory Organic Chemistry
Sodium is (ls)2)(2s)2(2p)6(3s): chlorine is (ls)2(2s)2(2p)6(3s)2(3p)5. Sodium has
completed K and L shells, and is starting the M shell with one electron. This
electron (the 3s electron) is the valency electron of sodium. Chlorine has
completed ...
6
Objective Question Bank in Chemistry
It is also evident that valency electron in Li atom is held closest to the nucleus
and is therefore firmly bound. Hence energy required to dislodge one electron
will be greater in Li atom than that required to liberate a valency electron in
sodium ...
7
Atomic And Nuclear Structure
The third electron in the incomplete L shell is the valency electron. Hence the
neutral normal atom of Li is represented by 1 s2 2s. Optical spectrum of Li shows
that the lowest orbit is such that this third electron is really Is and not 2p or any
other ...
Formation of cation : The single electron in the hydrogen atom can be lost as a
result of which it forms positive ion, H"1" . similar to the alkali metal cations, Li "1" ,
Na"1" etc. formed by the loss of a valency electron. (1) (0) Na > Na+ + e~ (2, 8, ...
AK Srivastava and PC Jain
HCO According to the theory of Walsh, molecules of type HAB possessing up to
ten valency electrons should be linear in their ground states, but the addition of
an eleventh valency electron should lead to bending of the molecule. (In this and
...
is the simplest atom and contains one valency electron. This electron can be
given to another atom or can be used to form part of a covalent bond. Valency is
defined using hydrogen as a standard. Valency is the number of hydrogen atoms
...
K. B. Sherrington, P. M. Gaman, 2010
