JEE Main Chemistry question

The element with atomic number 117 if discovered would be placed in [AMU 2009]

(A)Noble gas family
(B)Alkali family
(C)Alkaline earth family
(D)Halogen familyCorrect

Answer: (D)

Solution

The electronic configuration of element 117 is . The last (differentiating) electron enters a -orbital with 5 electrons in the outermost shell (), giving group number

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Question ID VK-133074