The unsaturated element among the following is

1.	The unsaturated element among the following is
Answer» C Pb Ge Si Solution :The penultimate shells of C,Si and Ge can accommodate 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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