The number of protons and neutrons in the nucleus of the phosphorus atom.
| August 10, 2021 | education
To find the number of protons and neutrons in the nucleus of a phosphorus atom, we need to find out its serial number and atomic mass.
Serial number – indicates the number of protons in the nucleus of an atom, the number of electrons in the nucleus of an atom, as well as its charge.
Hence it follows that the number of protons in the phosphorus nucleus is exactly 15.
To find the number of neutrons, we need to subtract the number of protons from the element’s atomic mass. Means:
n = A – P = 31 – 15 = 16
Answer: neutrons – 16, protons – 15.
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