Chemistry, asked by harshsharma160707, 7 months ago

Why outermost shell of a atom has 8 electron

Answers

Answered by Anonymous

Explanation:

Explanation in quantum theory

The quantum theory of the atom explains the eight electrons as a closed shell with an s2p6 electron configuration. A closed-shell configuration is one in which low-lying energy levels are full and higher energy levels are empty. ... The argon atom has an analogous 3s2 3p6 configuration.

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