Chemistry, asked by manilmehta2423, 3 months ago

please help me in solving it

Attachments:

Anonymous: ignore those rubbish answers buddy answer is (c)

Answers

Answered by sitramasreshay

1

Answer:

all are not not the answers except D

Explanation:

Answered by Anonymous

7

Answer:

(c) they are radioactive in nature

false only radon is radioactive in nature other are stable

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