Give the number of protons (p), electrons (e), and neutrons (n) in one atom of stabium-125. A) 51 p, 51 e, 51 n 3) 125 p, 51 e, 51 n C) D) 51 p, 51 e, 74 n 125 p, 125 e, 51 n

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.