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Phosphorus has an atomic mass of 31 and an atomic number of 15 ,so the number of nuetrons must be ?
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Phosphorus has an atomic mass of 31 and an atomic number of 15 ,so the number of nuetrons must be ?

User Will Iverson
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2 Answers

7 votes
It should be 16 neutrons
User Aditya Bhatt
by
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3 votes
The number of neutrons is the difference in Atomic mass and atomic number.
Thus, number of neutrons:
31 - 15
= 16 neutrons
User Varunkumar Nagarajan
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