NCERT Class XI Chemistry Classification of Elements and Periodicity in Properties Solutions

Question : 5

Total: 40

In terms of period and group where would you locate the element with Z = 114?

Solution:

The outermost electronic configuration of element (

‌

144

Z) is
[Rn] 5f146d107s27p2. It has n = 7, so period → 7
It belongs to p-block so, group number = 10 + 4 = 14.

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