What's the valency of an element having 3 valence electrons in its outermost, M, shell?
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0
Answer:
as valency = valence electrons in outermost shell
so valency of element would be 3
Answered by
0
Answer:
+3
Explanation:
valency can be found by group no. in periodic table...
suppose Aluminium (Al) has atmic no. 13
it'll have k= 2
L=8
M=3
So by losing its 3 valance electrons,it'll complete its octet
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