Question

Electronic configuration of elements P,Q,R and S are given below

(symbols are not real)

P = 2, 2

Q = 2, 8, 2

R = 2, 8, 5

S = 2, 8

a) Which among these elements are included in the same period?

b) Which among them is a noble gas?

c) Which are those included in the same group​

Answer 1

Answer:

a) Q,R

b) S

c) P,Q

Explanation:

This is the answer of your question.

Answer 2

Explanation:

a. QR

b. S

c. P,Q

This is the answer of your questions.