What is bromine's electron configuration?

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What is bromine's electron configuration?

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Answer 1 · 2016-07-02T14:39:59

$B r = 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 3 d^{10} 4 p^{5}$ $Br = 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^5$

$B r = [A r] 4 s^{2} 3 d^{10} 4 p^{5}$ $Br = [Ar] 4s^2 3d^10 4p^5$

Explanation:

Bromine is in the $4 t h$ $4th$ energy level, $p$ $p$ block, $5 t h$ $5th$ column, this means that the electron configuration will end $4 p^{5}$ $4p^5$

$B r = 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 3 d^{10} 4 p^{5}$ $Br = 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^5$

$B r = [A r] 4 s^{2} 3 d^{10} 4 p^{5}$ $Br = [Ar] 4s^2 3d^10 4p^5$

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What is bromine's electron configuration?

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