Question 5 - Past Year - 1 Mark Questions - Chapter 5 Class 10 - Periodic Classification of Elements

Last updated at April 16, 2024 by

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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