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If an atom of oxygen has an atomic number of eight that means...…

E. there are 8 protons
F. there are 8 neutrons
G. it weighs 8 amu
H. it is in group 8

User Nikosd
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2 Answers

3 votes
E us your answer. there are 8 protons.
User Ajoseps
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5 votes
E is your answer! protons and the atomic number will always be the same
User Furf
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