Q: Monatomic ions have an oxidation number equal to their what?


Read this paragraph and choose the correct option from the provided answers:

Monatomic ions have an oxidation number equal to their charge. Li + has an oxidation state of +1, Ba 2+ has an oxidation state of +2, I - has an oxidation state of -1, and so on.

 Choices:

- size

- cost

- length

- charge


A:
charge