what is the general electronic configuration of S block?
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in first group we have one valence electron.. and in second group two valence electrons..
first group alkali metals second group alkaline earth metals in first group down the period electrons are added in next she'll similar case with second group of s block
first group alkali metals second group alkaline earth metals in first group down the period electrons are added in next she'll similar case with second group of s block
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•| ⊱ ns(1 -2) ✿⊰ |•
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