Chemistry, asked by kupran505, 5 months ago

P-2,3

Q-2,8,8

R-2,8,1

S-2,8,3

a) Which among these elements are included in the same

period?

Answers

Answered by rk4431vidyagyanin

1

Answer:

ANSWER

a) P and S, Q and R - belongs to same period.

b) P and Q, belongs to same group

c) S

d) R belongs to 3rd period and 15th group

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