Q.

In the modern periodic table, the compounds formed by s block elements except Li and Be are ________ compounds.

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a

Metallic

b

Ionic

c

Saline

d

Covalent

answer is D.

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Detailed Solution

Concept: Modern periodic law states that the physical and chemical properties of elements are periodic function of their atomic numbers.

The compounds formed by s-block elements are generally ionic in nature as these elements are reactive metals and can easily lose electrons to form cations except for those formed by Li and Be which have considerable covalent character.

Hence the compounds formed by s-block elements are ionic in nature.

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