If you can please answer both

Miguel Vazq asked Jan 27, 2023

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39 votes

Miguel Vazq asked Jan 27, 2023

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13 votes

Answer: C & D

Explaination:

C because the atomic number increases sequentially and also the nuclear charge

D because as you're moving down a column the valance electrons does not change, only the atomic radius does.

Hein Wessels answered Feb 3, 2023

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