Completely the following sentence or (illustrate the idea) Based on the most common ion of Lithium, it’s more likely to lose/or gain electrons. From this I can infer that the attractive force between the nucleus and its valence electrons is relatively (strong /weak )

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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.