what is the mass number of atom has 15p+ 15e- and 16 neutron please answer
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Answered by
1
Answer:
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Explanation:
This is phosphorus.
Mass of phosphorus is
32.5 .
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Answered by
1
Answer: 30
Explanation: because the entire mass of atom is in its nucleus and nucleus is a sum of proton and neutron so answer is 15 + 16 =31
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