3) The mass of a proton is 1.67 x 10-27 kg. What is the mass of a proton in Gigagrams? A) 1.67 x 10-36 Gg C) 1.67 x 10-33 Gg B) 1.67 x 10-30 Gg D) 1.67 x 10-39 Gg

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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.