Biology, 27.01.2021 07:00 kyliegriffis
A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have? (3 points)
13
5
9
4
Answers: 1
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A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons doe...
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