1.

Atomic radii of the elements of the second period are given below: Period II elements: B Be O N Li C Atomic radius (pm): 88 111 66 74 152 77 Arrange them in decreasing order of their atomic radii.

Answer»

Solution :Decreasing order of the atomic RADII:
Period II ELEMENTS :`LigtBegtBgtCgtNgtO`
Atomic radius (pm): 152 111 88 77 74 66


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