Chemistry, 05.07.2019 13:20 katiebotts18
An atom has a mass number of 31 and an atomic number of 15. how many protons and how many neutrons are in this atom? show the nuclear symbol for this atom.
Answers: 1
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An atom has a mass number of 31 and an atomic number of 15. how many protons and how many neutrons a...
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