1 How many protons, neutrons, and electrons are present in an atom of the sulfur-31 isotope?(p = proton, n = neutron, e = electron)

(A)15p,16n,15e

(B)16p,15n,16e

(C)15p,16n,16e

(D)15p,15n,16e

(E)16p,16n,15e

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