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unit 5-section 1
vocab words
| Question | Answer |
|---|---|
| Molecular mass | a number equal to the sum of the atomic masses of the atoms in a molecule |
| Formula weight | sum of all the atomic masses of all the elements in a composition mass of the compound |
| Avagadro's number | the number of atoms, molecules, ions, electrons, or protons in one mole |
| Mole | the mass in grams of this amount of a substance, numerically equal to the molecular weight of the substance |
| Percent composition | the percent of each element in a composition chemical makeup of the substance based on mass |
| Formula unit | a quantity computed by multiplying the atomic weight of each element in a formula by the number of atoms of that element present in the formula, and then adding all of these products together |
| Molar volume | the volume occupied by one mole of a substance in the form of a solid, liquid, or gas |
| Chemical formula | a representation of a substance using symbols for its constituent elements |
| Equivalency | the state of having equal valencies |
| STP | standard temperature and pressure; used for measuring gas, density, and volume |
| Volume | the quantity of three-dimensional space occupied by a liquid, solid, or gas |
| Mass | the property which reflects the quantity of matter within a sample |
Created by:
375princess