Question

The Electronic configuration of the element X, Y and Z are given below
a) X = 2,5
b) Y = 2, 8, 1
c) Z= 2,8
i) Which element belongs to 18th group?
ii) Which element belongs to 15th or V group?
iii) Which element belongs to third period?​
.
.
.
.
.
who will say the correct answer they will mark as brainlist

Answer 1

Answer:

i) Z

ii) X

iii) Y

Explanation:

i) its shell is filled hence it is an inert element and inert elements belong to 18th group.

ii) X is nitrogen which belongs to the 15th group

iii) Y is Sodium and it has 3 shells hence it belongs to the third period