The reason due to which noble gases are no longer termed as inert gases needs to be explained. Concept Introduction: In the Long form of periodic table, the non-metals are mainly placed at the right side of the periodic table that is called as p-block elements. Metals make the 75 % part of the periodic table. Metals are electropositive elements and mainly form ionic compound whereas non-metals are electronegative elements and can form either covalent or ionic compounds. Noble gases are the elements which are placed in the group-18 of the periodic table at the right most side of the main body of the periodic table.

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Chapter 18, Problem 86E

Interpretation Introduction

Interpretation: The reason due to which noble gases are no longer termed as inert gases needs to be explained.

Concept Introduction:

In the Long form of periodic table, the non-metals are mainly placed at the right side of the periodic table that is called as p-block elements.

Metals make the 75 % part of the periodic table. Metals are electropositive elements and mainly form ionic compound whereas non-metals are electronegative elements and can form either covalent or ionic compounds.

Noble gases are the elements which are placed in the group-18 of the periodic table at the right most side of the main body of the periodic table.

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