Compare alkaline earth metals with alkal...

Compare alkaline earth metals with alkali metals w.r.t (a) atomic and ionic size, (b) metallic bonds, ( c) melting points and (d) hardness.

Text Solution

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As compared to alkali metals, alkaline earth metals have
a. smaller atomic and ionic size
b. stronger metallic bonds.
c. higher melting points
d. more hard, due to stronger metallic bonding

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Compared with alkaline earth metal the alkali metals exhibit

A

smaller ionic radii

B

greater hardness

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high boiling points

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lower ionisation energy

Compared with the alkaline earth metals, the alkali metals exhibit

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smaller ionic radii

B

higher boiling points

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greater hardness

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A

BeO

B

MgO

C

CaO

D

SrO

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