Chemistry, asked by avadegracia, 11 months ago

Which of the following is a reasonable ground-state electron configuration?
1s21p62d2
1s22s442p6
1s22s22p5
1s22s22d6

Answers

Answered by ska150502

3

Answer:

1s22s22p5

Explanation:

bcos first the 1s then 2s then 2p orbitals nust be filled

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