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marysya [2.9K]
3 years ago
7

When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion?

Physics
1 answer:
Damm [24]3 years ago
7 0
The oxygen atom, before it gains these two electrons, has a neutral charge, meaning that it has as many protons as electrons. After it gains 2 electrons, it has 2 more electrons than protons. Each electron has a charge of -1, so the whole molecule will  have a charge of -2. The correct answer is a)!
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