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Grade 8 8.5(D)
recognize that chemical formulas are used to identify substances...
|Chemical formula||a combination of chemical symbols and numbers to represent a substance|
|Atom||the smallest unit of an element that maintains the properties of that element|
|Element||one of the basic substances that are made of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances|
|Subscript||a distinguishing symbol (as a letter or numeral) written immediately below or below and to the right or left of another character|
|Molecule||the smallest possible amount of a particular substance that has all the characteristics of that substance|