state one reason for placing mg and CA in the same grouping of the periodic table
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atomic no of mg =12
electronic configuration=2,8,2
no of shells =3
atomic number of Ca=20
electronic configuration=2,8,8,2
no of shells=4
we can se that both have same valence electrons and Ca have one more shell than mg
thus both will go in same group.
electronic configuration=2,8,2
no of shells =3
atomic number of Ca=20
electronic configuration=2,8,8,2
no of shells=4
we can se that both have same valence electrons and Ca have one more shell than mg
thus both will go in same group.
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