Complete the table below, using the diagram of an atom shown at right. name symbol GI 0 proton 0 neutron 0 Properties of subatomic particles approximate mass (amu) charge (in multiples of e) 0 0 0 1.0 (choose one) B (choose one) B location on diagram A (choose one) 8 (choose one) B X 00 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.