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Video thumbnail for What you need to know to calculate the number of electrons or neutrons in an atom

7:57 What you need to know to calculate the number of electrons or neutrons in an atom masterconceptsinchemistry.com 2

Video thumbnail for How to calculate the number of electrons in a positive ion (cation)

6:38 How to calculate the number of electrons in a positive ion (cation) masterconceptsinchemistry.com 3

Video thumbnail for How to calculate the number of electrons and neutrons in a negative ion

3:50 How to calculate the number of electrons and neutrons in a negative ion masterconceptsinchemistry.com