Chemistry, 10.12.2020 02:50 connorvoss5805
Alom A has an atomic number of 19 and mass number of 40 Atom B has an atomic number of 20 and a mass number of 40 Which of these is an accurate statement?
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Alom A has an atomic number of 19 and mass number of 40 Atom B has an atomic number of 20 and a mass...
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