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Mrrafil [7]
3 years ago
13

A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have? (3 points)

Biology
1 answer:
LenaWriter [7]3 years ago
7 0
I think the answer is 5! Neutrons + Electrons=9 so 4+5=9. I hope this helps!
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