Question

What is the electronic configuration of potassium ion (k+) and which nearest noble gas does it resemble?

Answer 1

Potassium has atomic number 19, hence it has 19 electrons

1s2 2s2 2p6 3s2 3p6 4s1

K+ has 18 electrons, which is the same as noble gas Argon

:)

Answer 2

the electronic configuration of potassium ion
(k+) is 2,8,8,1
the nearest gas does it resemble = argon
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