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How many neutrons are present in the nucleus of a phosphorus atom

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16 neutrons are present in the most abundant isotope.

Step-by-step explanation:

Phosphorus has 18 isotopes. The most common isotope has mass number (no. of protons 15+ no. of neutrons 16=) 31 .

User CatarinaCM
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16 neutrons are present in the most abundant isotope...
Because the Phosphorus has 18 isotopes. The most common isotope has mass number (no. of protons 15+ no. of neutrons 16=) 31 .
User ChsharpNewbie
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