Question

Choose the correct option guys...please

Answer 1

Answer:

option D ..

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Answer 2

D is the correct option. The element at that spot is chlorine and (2, 8, 7) is the correct electronic configuration of chlorine.


PS

At spot A the element is lithium (Li) which has an electronic configuration of (2, 1).

At spot B the element is calcium (Ca) which has an electronic configuration of (2, 8, 8, 2)

At spot C the event is boron (B) which has an electronic configuration of (2, 3).

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