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

Last updated at Dec. 13, 2024 by Teachoo

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.

  1. Class 10
  2. Chapter 5 Class 10 - Periodic Classification of Elements

    3. Past Year - 1 Mark Questions

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Class 10
Chapter 5 Class 10 - Periodic Classification of Elements

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo