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The mole

TermDefinition
Avogadro's number 6.02*10^23, the number of atoms or molecules in 1 mole
molar mass The mass of one mole of a pure substance is called the molar mass of that substance
molecule A neutral group of atoms that are held together by covalent bonds
Scientific notation A method of expressing a quantity as a number multiplied by 10 to the appropriate power
formula unit The simplest collection of atoms from which an ionic compound's formula can be written
molecular mass Mass of an individual molecule or atom
atomic mass Mass of atoms
molecular formula Actual formula of a molecular compound
density The ratio of the mass of a substance to the volume of the substance
Formula Mass The sum of the average atomic masses of all atoms represented in the formula of any molecule, formula unit, or ion
Percent Composition The percentage by mass of each element in a compound
Empirical Formula A chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio
Created by: ar471216
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