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10-12-2019
Chemistry

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an ion has a charge of 3+.if this ion has 8 protons, how moany electrons does it have? A 3 B 5 C 7 D 8 E 11

Respuesta :

10-12-2019

Answer:

The answer is B

Explanation:

3+ means there is 3 more protons than electrons.

So electron need 3 more (-ve) charge in order to have the same charge as proton to become neutral atom (no charge).

e + 3 = 8

e = 8 - 3

= 5

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