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If an atom of tin has a mass number of 118 and an atomic number of 50, how many electrons does it have? 50 168 118 68
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3 votes
If an atom of tin has a mass number of 118 and an atomic number of 50, how many electrons does it have? 50 168 118 68

User Lurr
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2 Answers

5 votes
50 electrons because the number of protons (atomic number) is the same as the number of electrons.
User Iyesha
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6 votes
There are 50 electrons

User Dave Mackintosh
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8.6k points
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