formulae; relative masses of atoms and molecules; the mole and the avogadro constant
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Last updated 3:26 AM on 7/18/25
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10 Terms
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molecular formula
gives the type of element and how many are involved
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diatomic molecules
exists as molecules made up of two atoms
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empirical formula
the most simplified version of a compound (C2H6→CH3)
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relative atomic mass
the average mass of the isotopes of an element compared to the 1/12th of the mass of an atom of C-12
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relative formula mass
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mole
a unit which measures the amount of substance (unit=mol)
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molar mass
the mass of 1 mole of a subtance (unit=g/mol)
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mol/mass/Mr formula
m= mass
Mr= molecular mass
mol= mole
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conversion between cm³ and dm³
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concentration of a solution formula
Note 
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