Question

Arrange the following elements in the increasing order of their atomic size.​

Boron, Carbon, Nitrogen, Oxygen​

Answer 1

• Boron, carbon, nitrogen and oxygen lie in the second period of the periodic table.

• As we know that atomic size decreases down a period in a periodic table.

• Therefore, among these elements boron is the largest and oxygen is the smallest element.

• Hence the order of increasing atomic size is: Oxygen < Nitrogen < Carbon < Boron