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Chapter 5 in Review
Chemical Principles:
- Compounds display constant composition. The elements that compose a particular compound are in fixed, definite proportions in all samples of the compound.
- Chemical formulas indicate the elements present in the compound and the relative number of atoms of each. These formulas represent the basic units that compose a compound.
- Chemical nomenclature: The names of simple ionic compounds, molecular compounds, and acids can all be written by examining their chemical formula.
- Formula mass of a compound is the sum of the atomic masses of all the atoms in the chemical formula for the compound.