Question

Nitrogen (Z=7) is the element of group VA of the periodic table. Which of the following is the
atomic number of the next element in the same group?
[ ]
b) 14
a) 9
c) 15
d) 17​

Answer 1

Answer:

c) 15

Explanation:

Nitrogen has an atomic number 7, with electronic configuration of: 2,5

Hence it belongs to the 15th group.

Therefore, the next element in the same group is Phosphorus(Z = 15)

With electronic configuration of 2,8,5