Variation of electonic confurgration

1.	Variation of electonic confurgration
Answer» According to old concept it was 2,8,8,16, 32,32..... But according to new concept it is 1s2, 2s2 , 2p6 and it is a complete series known as afbau\'s principle by Afbau\'s principle.........☺ hope it may help u...<br>2,2,4,1

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