A phosphorus-31 atom has _______ protons, _______ neutrons, and _______ electrons.

Name: A phosphorus-31 atom has _______ protons, _______ neutrons, and _______ electrons.
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Phosphorus-31 indicates an isotope of phosphorus with a mass number of 31. The atomic number of phosphorus (P) is 15, which means it has 15 protons and, in a neutral atom, also 15 electrons. The mass number (31) is the sum of protons and neutrons, so it has 16 neutrons (31 - 15 = 16).

A Phosphorus-31 Atom Has _______ Protons, _______ Neutrons, and _______

A Phosphorus-31 Atom Has ___ Protons, _ Neutrons, and _____