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periodic_table - Chemistry Previous Year Asked Questions with Answers (English) - ObjectiveMCQ

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periodic_table in Chemistry : PYQs with Answers

1 questions · Page 1 of 1

SSC CGL 2021Periodic Table

1.

Noble gases are placed in which group of the periodic table?

A

Group 1

B

Group 2

C

Group 17

D

Group 18

Correct Answer:

D — Group 18

Explanation:

Noble gases (He, Ne, Ar, Kr, Xe, Rn) are in Group 18 and are chemically inert due to complete electron shells.