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lokesh Grade: 6
        
An ion has 18 electrons in the outermost shell, it is
(a) Cu+
(b) Th4+
(c) Cs+
(d) K+
3 years ago

Answers : (1)

Jitender Pal
askIITians Faculty
365 Points
										

(a) Cu+ = 29 – 1 = 28 e-

Thus the electronic configuration of Cu+ is

Cu+ (28) = 1s2 2s2 2p6


3 years ago
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