The electronic configuration of an element is 1s2, 2s22p6, 3s23p3. What is the atomic number of the element which is just below the above element in the periodic table?
A.34
B.49
C.33✓ Correct
D.31
Explanation
The given element is P(15) the element below is As (33). This is the 15th group which includes-N, P, As, Sb, Bi vertically.