The atomic numbers of elements of a period are given below;
elements
Li
Be
B
C
N
atomic number
3
4
5
6
7
The valency of an element is determined by
a. the number of valence electrons present in the outermost shell of the atom
b. the number of electrons present in the atom
c. the number of valence electrons present in the first two shells
d. the number of valence electrons present in the nucleus.
Answers
Answered by
17
Answer:
a) the number of valence electrons present in the outermost shell of the atom
Explanation:
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Answered by
6
Answer:
the number of valence electrons present in the outermost shell of the atom
Explanation:
the number of valence electrons present in the outermost shell of the atom
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