amar4aMoDado amar4aMoDado

01-07-2016
Physics

Answered

When an oxygen atom forms an ion, it gains two electrons

What is the electrical charge of the oxygen ion?

A.

-1

B.

-2

C.

+1

D.

+2

Verified Answer :

olemakpadu olemakpadu

02-07-2016

Note the atom of the Oxygen is electrically neutral, meaning it has equal numbers of electrons and protons.

So if it gains 2 electrons, it would have excess of 2 electrons, hence its charge would be -2.

Option B.

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19-05-2021

The electrical charge of the oxygen ion is -2.

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