What is the electron configuration of an element with atomic number 20?

Chemistry

2 answers:

Vedmedyk [2.9K]3 years ago

8 0

[Ar]4s^2
hope it helps

blagie [28]3 years ago

4 0

Answer:

What is the electron configuration of an element with atomic number 20? 1s2 2s2 2p6 3s2 3p6 4s2

Explanation:

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