Calculate the mass of a gold-197 atom using the information from question 9 and the masses of the subatomic particles listed below. B) Calculate the volume of the gold atom in cm3. C) Calculate the density of the gold atom in g/ cm3. Report the density of the gold atom to the correct number of significant figures. All other calculations should not be rounded or carry at least 2 extra significant figures. Mass of neutron 1.675 x 10-24 g Mass of proton 1.673 x 10-24 g Mass of electron 9.109 x 10-28 g Atomic radius of gold 1.66 x 10-10 m Volume of a sphere (4/3)(π)(r3)

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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.