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Unit 6

TermDefinition
Avogadro's number Is the number of particles in exactly one mole of a pure substance
molar mass The mass of one mole of a pure substance is called the molar mass of that substance
mole A mole is the amount of a substance that contains as many particles as there are atoms in exactly 12 g of carbon-12
molecule A molecule is a neutral group of atoms that are held together by
Scientific notation Numbers are written in the form m x 10, where the factor M is a
fomula unit a formula unit is the simplest collection of atoms from which an ionic compound´s formula can be written
molecular mass a chemical formula that shows the number and kinds of arrangement of the atoms
atomic mass atomic mass is the weighted average of the atomic masses of the naturally occurring isotopes of an element
molecular formula a chemical formula that shows the number and kinds of atoms in a molecule but not the arrangement of the atoms
Created by: js356300
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