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10.A certain ion of an atom possesses 16 neutrons, a mass number of 31 and a charge of-3, this ion then contains: A. 19 protons B. 13 electrons C. 12 electrons D. 18 electrons ​
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10.A certain ion of an atom possesses 16 neutrons, a mass number of 31 and a charge

of-3, this ion then contains:
A. 19 protons
B. 13 electrons C. 12 electrons D. 18 electrons
​

User DamienL
by
4.4k points

1 Answer

4 votes

Answer:

B. 13 electrons

Step-by-step explanation:

Bcoz protons are the same with electrons and the neutrons too.

User Jan Dragsbaek
by
3.9k points
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