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An atom has the electron configuration of 2-8-2. An ion of the same element has electron configuration of 2-8. What would be the net charge of the ion?


1. -2

2.+12

3.+2

4.+10

Answer :

rspill6

Answer:

3. +2

Explanation:

Changing from 2-8-2 to 2-8 means it has lost 2 electrons.  Since each electron is a negative 1, the net charge on the remaining ion would be +2.

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