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An atom of phosphorus has an atomic number of 15 and a mass number of 31.How may neutrons does it contain?

Sagot :

PRINCESSJOYF0628IN PRINCESSJOYF0628IN

Answer:

mass of 31 amu. contains 16 NEUTRONS.

Explanation:

The element phosphorus (P) has an atomic number of 15 and a mass number of 31. Therefore,an atom of phosphorus has 15 protons,15 electrons and 16 neutrons (31-15)=16

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