វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Valence
noun
1.
(បច្ចេកវិទ្យានិងវិទ្យាសាស្ត្រ)
(The
combining
power
of an
element
or
atom
as
compared
with a
hydrogen
atom
)
វ៉ាឡង់ស៍
ENGLISH MEANING
noun
1.
The
degree
of
combining
power
of an
atom
(or
radical
) as
shown
by the
number
of
atoms
of
hydrogen
(or of
other
monads
, as
chlorine
,
sodium
,
etc
.) with
which
it
will
combine
, or for
which
it can be
substituted
, or with
which
it can be
compared
;
thus
, an
atom
of
hydrogen
is a
monad
, and has a valence of one; the
atoms
of
oxygen
,
nitrogen
, and
carbon
are
respectively
dyads
,
triads
, and
tetrads
, and have a valence
respectively
of two, three, and four.