Question

Write the electronic configuration of K and CE​

Answer 1

Answer:

[Ar] 4s¹

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Answer 2

Explanation:

K

K+ ? 1. 1s2 2s2 2p6 3s2 3p6 4s1 2.

CE

The correct electronic configuration of Ce^(3+) ion is. But in Z=58 ( Ce ) , electron enters 4f and 5d1 also shifts to 4f. Hence, electronic configuration of Ce(58) is [Xe]4f25d06s2.

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