Chemistry 1.1 0.0 / 5 ? ChemistryUnit 1 ectASOCR Created by: ChloesnCreated on: 06-03-14 17:23 Tells you the number of times an atom of an element is heavier than one-twelfth of an atom of 12C. Ar values have no units. RAM 1 of 9 Is the sum of the relative atomic masses (Ar) for each atom in the formula . For a simple molecular compound, it is sometimes called (RAM). RFM 2 of 9 Is the sum of the relative atomic masses (Ar) for each atom in the formula . For a simple molecular compound, RMM 3 of 9 One mole of any substance contains 6.02 x 1023 (Na), formula units. Number of particles in 1 mole of substance. Avogadro's constant 4 of 9 The mole is the unit that measures amount of substance in such a way that equal amounts of elements consist of equal numbers of atoms. Mole 5 of 9 Tells you the simplest ratio of atoms of each element in a compound. Empirical formula 6 of 9 Tells you the actual number of atoms of each element in a molecule. Molecular formula 7 of 9 Mass in grams ÷ molar mass = Moles of formula units 8 of 9 The mass of one mole is equal to the relative atomic mass in g. Molar mass 9 of 9
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