1.

The atomic numbers of other elements which lie in same group as the tenth element in the periodic table are

Answer»

18, 32, 54, 86
8, 18, 36, 84
2, 18, 30, 36
2, 18, 36, 54

Solution :Tenth ELEMENT is a member of noble gases (Group 18 or zero). The atomic numbers of other elements of this group are `2 (He), 18(Ar), 36(Kr), 54(Xe), 86(RN) and Og(118)`.


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