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An atom of the isotope chlorine-39 consists of how many protons, neutrons, and electrons? (p = proton, n= neutron, e = electron) A) 17 p, 17 n. 22 e B) 39 p, 38 n, 39 e C) 22 p, 17 n, 17 e D) 17 p, 39 n, 17 e E) 17 p, 22 n, 17 e