-22 A copper atom has a mass of 1.06 x 10 g and a penny has a mass of 2.5 g. Use this information to answer the question below. Be sure your answers have the correct number of significant digits. How many moles of copper atoms have a mass equal to the mass of a penny? ☐x10 X 5 ?

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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.