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Which is the electron configuration for bromine?

O 1s'2s?2p°3s?3p°4s?3d104p5
O 1s?2s?2p°3s?3p°4s?3d1°4p®
B O 122s?2p°3s?3pʻ4s?3d °4p
O 1s?2s?2p°3s?3p°4s23d°4ps

Which is the electron configuration for bromine? O 1s'2s?2p°3s?3p°4s?3d104p5 O 1s-example-1
User DLCross
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1 Answer

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I’m pretty sure it’s C but sorry if I get it wrong I kinda did a similar question to that
User Elkebirmed
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