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Chemistry
If the bond distance in chlorine molecule ( Cl 2) is 198 pm, then the atomic radius of chlorine is
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Q. If the bond distance in chlorine molecule $\left( Cl _{2}\right)$ is $198 \, pm$, then the atomic radius of chlorine is
Classification of Elements and Periodicity in Properties
A
$198\, pm$
5%
B
$49.5 \, pm$
6%
C
$99 \, pm$
89%
D
$24.75\, pm$
0%
Solution:
Atomic radius of $Cl$ atom $=\frac{\text { Bond distance in } Cl _{2}}{2}$
$=\frac{198}{2}=99 \,pm$