Which of the following sequence represents atomic number of only representative elements?

Options

A. 55, 12, 48, 53
B. 13, 33 ,45, 83
C. 3, 33, 53, 87
D. 22, 33, 55, 66

Answer

C

Explanation

Representative elements `rArr` elements of s & p block. Write electronic configuration & if last goes `e^(-)` in s/p orbital. It is a representative element.