A) P and R belong to the same period of the periodic table.
B) P is a non-metal while R is a metal
C) P and R belong to same group of the periodic table.
D) None of these
Correct Answer: B
Solution :
P, Q and R have consecutive increasing atomic numbers. As noble gases are present at the end of each period, P must be a non-metal of the same period and R must be a metal of the next period.You need to login to perform this action.
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