Question

8
(For
8-71
Molecular Valency Electronic Number
Symbol of
formula of of the configuration of of valence
element
compound element the element electrons x
Н
HCI
1
1
1
СІ
HCI
1
2,8,7
7
Ne
No compound 0
3
F
HF
Na
NaH
1
Mg
MgCl,
2
C
CH
4
Al
AICI,
5.9 Relationship between valency and electronic configuration
3 국
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