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""(11)Na=1s^(2) 2s^(2)2p^(6) 3s^(1) ""...

`""_(11)Na=1s^(2) 2s^(2)2p^(6) 3s^(1)`
`""_(21) Sc=1s^(2)2s^(2)2p^(6) 3s^(2)3p^(6) 4s^(2)3d^(1)`
Write the group and periods of the given elements.

Text Solution

Verified by Experts

`""_(11)Na to ` period -3 , group -1
`""_(21)Sc to ` period - 4 , group -3
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