cbeauti8e3ahhhhh cbeauti8e3ahhhhh
  • 21-11-2016
  • Chemistry
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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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Hhannahbanana
Hhannahbanana Hhannahbanana
  • 21-11-2016
It should be 16 neutrons
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scme1702
scme1702 scme1702
  • 21-11-2016
The number of neutrons is the difference in Atomic mass and atomic number.
Thus, number of neutrons:
31 - 15
= 16 neutrons
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