Alikays26 Alikays26

14-06-2022
Chemistry

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a polyatomic ion contains 18 protons and 20 electrons. the net charge if this ion is ___?

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karinabarreto2023 karinabarreto2023

14-06-2022

-2 cuz 20 negative minus 18 positive is -2

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rubabzehra9127 rubabzehra9127

14-06-2022

Answer:

Net Charge = -2

Explanation:

If we subtract 18 from 20 we get 2. Since protons are positive and electrons are negative, and then it's obvious that electrons are greater in number, therefore the net charge would also be negative which is -2.

hope that helps...

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