The element with Z=117 and Z=120 belong to ,__family respectively

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Halogen family and alkaline earth metals

Nitrogen family and alkali metals

Halogen family and alkali metals

Chalcogens family and alkali metals

answer is A.

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Detailed Solution

Hint -I For the element with Z=104 to Z=118 the last two digits indicate group numberHint - II For the element Z=104 to Z = 118, subtract "82" to get the element belonging to the same groupApplying Hint- I:- Z = 117The last two digits are "17" .So it belongs to halogen family, 17th groupSo Z = 118 belongs to 18th group then 119th element belong 1st group and 120th element belong to 2nd group (alkaline earth metal)

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