Question

✌✌ Hi ✌✌✍✍✍
From a study of the properties of the
neighbouring elements, the properties of an unknown element can be predicted. Justify with an example.?.​

Answer 1

in the periodic table metals nonmetals mettaloids noble gases and radioactive element are placed separately. so it is predictable.

eg: He and Ar are noble gases placed at the 18 th group

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