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ICSE Class 7 Chemistry Question 9 of 16

Metals and Non-metals — Question 8

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Question

Question 8

Give the basic demarcation of the Modern Periodic Table into metals, metalloid and non-metals with special reference to halogens and noble gases.

Answer

In the Modern Periodic Table:

  • Strong metals are in the extreme left, weak metals are in the middle.
  • Metalloids are in the middle right.
  • Non-metals are to the right in the upper right hand corner.
    • Halogens are present in Group 17 which is the second last group of the periodic table.
    • Noble gases are present in Group 18 which is the last group of the periodic table.