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Chapter 3 Vocabulary
Term | Definition |
---|---|
mole | the amount of a substance that contains the same number of entities as the number of atoms of 12g of carbon-12 |
1 mol is equal to... | 6.022 x 10^23 entities |
molar mass | the mass of a mole of its entities (atoms, molecules, or formula units) |
monatomic elements | the periodic table value in grams per mole |
molecular elements | a pure substance that is composed of two or more atoms of the same element |
mass percent | the mass of each element |
empirical formula | the simplest whole number ratio of the elements in the compound |
molecular formula | the exact formula |