tell............ fast........... plzzzz, z
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Answer:
a) Na bcz the electronic configuration is 2,8,1...3shells so 3rd period
Explanation:
b)Mg bcz the electronic configuration is 2,8,2...since it has 2 electrons in the outermost shell so 2nd grp
c)Al bcz it lies lower in the grp column and to the left side of the periodic table...
mark it as branliest plzzzz
nikita0:
it's a really correct
so thnqq kro aur branliest mark kr do plzzz
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