RADON_IS_THE_SIXTH_MEMBER_OF_GROUP_18_OF_THE_MODERN_PERIODIC_TABLE._UN – McqOptions

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1.	RADON_IS_THE_SIXTH_MEMBER_OF_GROUP_18_OF_THE_MODERN_PERIODIC_TABLE._UNLIKE_OTHER_MEMBERS_OF_THIS_GROUP,_RADON:?$
A.	is solid near room temperature
B.	is radioactive
C.	possess high chemical reactivity
D.	all of the mentioned
Answer» C. possess high chemical reactivity

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