Thereason of formation of hygroscopic (absorb water) by lithium salt whereas other alkali metal salts do not form hygroscopic salts 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. Alkali metals are the group-1 elements of the periodic table. They are most electropositive elements of the periodic table and metallic in nature.

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Chapter 18, Problem 6E

Interpretation Introduction

Interpretation:Thereason of formation of hygroscopic (absorb water) by lithium salt whereas other alkali metal salts do not form hygroscopic salts 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.

Alkali metals are the group-1 elements of the periodic table. They are most electropositive elements of the periodic table and metallic in nature.

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