Chemistry, 13.07.2019 14:20 haileyjones732

Aneutral atom of beryllium (be) has an average mass of 9 amu and 4 electrons. how many neutrons does it have? 13 9 5 4

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Aneutral atom of beryllium (be) has an average mass of 9 amu and 4 electrons. how many neutrons does...