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

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Halogen family and alkaline earth metlas

Nitrogen family and alkali metals

Halogen family and alkali metals

Chalcogens family and alkali metals

answer is A.

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Detailed Solution

Atomic number Z=117

Electronic configuration is [Rn]5f¹⁴6d¹⁰7s²7p⁵

Belong to group 17 - halogen family

Atomic number = z =120

Electronic configuration is [Og]8s²

element belong to group 2 - alkaline earth family

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