Answer:
(a) It has electronic configuration
K
L M
2
8 8
Its outer shell has complete octet.
Hence, its valency = 0
(b) It has electronic configuration
K
L
2
7
It can easily gain one electron to complete its outermost
octet.
Hence, its valency = 1
You need to login to perform this action.
You will be redirected in
3 sec
