Find out the total number of cation(s) which has/have pseudo inert gas electronic configuration.
Zn²⁺, Cd²⁺, Ag⁺, Cu⁺, Cu²⁺, Ca²⁺, Hg²⁺, Ga⁺, Ga³⁺
[Given atomic number of element is Zn = 30, Cd = 48, Ag = 47, Cu = 29, Ca = 20, Hg = 80, Ga = 31]

Question

Find out the total number of cation(s) which has/have pseudo inert gas electronic configuration.

Zn²⁺, Cd²⁺, Ag⁺, Cu⁺, Cu²⁺, Ca²⁺, Hg²⁺, Ga⁺, Ga³⁺

[Given atomic number of element is Zn = 30, Cd = 48, Ag = 47, Cu = 29, Ca = 20, Hg = 80, Ga = 31]

TestHub · Accepted Answer

Pseudo inert gas configuration is (n-1)s 2 p 6 d 10 . Yes: Zn 2+ (3d 10 ), Cd 2+ , Ag + , Cu + , Hg 2+ , Ga 3+ . No: Cu 2+ (3d 9 ), Ca 2+ (true inert gas), Ga + (3d 10 4s 2 ). Total = 6.00.

Chemistry - PERIODIC TABLE Question with Solution | TestHub

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