Atomic radius of Chlorine and Copper are 99pm and 128pm respectively. Identify correct statement from the following

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Covalent radius of chlorine and copper are 99pm and 128pm respectively

Covalent radius of chlorine is 99pm whereas covalent radius of copper is lesser than 128pm

Covalent radius of chlorine is 99pm and metallic radius of copper is lesser than 128pm

Covalent radius of chlorine is lesser than 99pm and covalent radius of copper is lesser than 128pm

answer is B.

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Detailed Solution

1) Chlorine is a non-metal;

for a non-metal, atomic radius = covalent radius =99pm;

2) Copper is a metal;

for a metal, atomic radius -metallic radius =128pm;

covalent radius of metals will be lesser than their metallic radius;

covalent radius of copper will be lesser than 128pm;

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