8.107 Identify the ions whose orbital diagrams for the va- lence electrons are shown. The charges of the ions are (a) 1+, (b) 3+, (c) 4+, (d) 2+. (0) (b) (c) (d) 45 4s 45 55 想想想想想 C 3d 3d 3d ↓↓↑↑↑ Ad

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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.