Question

Which one is the correct answer, and WHY?

The electronic configuration of oxygen atom (O8) according to Hund's rule is:


$1s {}^{2 } 2s {}^{2} 2p {}^{4}$
$1s {}^{2} 2s {}^{1} 2p {}^{5}$
${1s}^{2 } {2s}^{2} {2p}^{1} x {2p}^{1} y {2p}^{1} z$
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Answer 1

Explanation:

2 options is correct answer

Answer 2

Answer:

1s22s22p4

Explanation:

Which one is the correct answer, and WHY?

The electronic configuration of oxygen atom (O8) according to Hund's rule is:

1s22s22p4