Check sibling questions

State one reason for placing Mg and Ca in the same group of the periodic table.

 

Answer

Elements having the same number of valence electrons are kept in the same group.

Both Mg and Ca have 2 electrons in the outermost shell . So, they are placed in the same group.

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo