Chemistry, asked by komalivandana1841, 1 year ago

Write electronic configuration of Cu &Na

Answers

Answered by digi18

1

Na atomic no. 11

Na - 1s2 2s2 2p6 3s1

Cu atomic no. 29

Cu - 1s2 2s2 2p6 3s2 3p6 3d10 4s1

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