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The unsaturated element among the follow...

The unsaturated element among the following is

A

C

B

Pb

C

Ge

D

Si

Text Solution

Verified by Experts

The correct Answer is:
B
The penultimate shells of C, Si and Ge can, accomodate 2,8 and 18 electrons. These shells of these elements are saturated. While in tin and lead punulmate shells can accommodate 32 and 50 electrons respectively, hence, these are unsaturated. Thus, tin and lead are unsaturated elements
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