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How many electrons does \({31}_{15}\)P\(^3-\) contain?...

How many electrons does \({31}_{15}\)P\(^3-\) contain?

A.

12

B.

15

C.

16

D.

18

View answer & explanation

Correct answer is D

- Phosphorus also has 15 electrons.

- Here we have P3- which means that this atom has gained 3 electrons. So, P3- has 18 electrons.

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