Chemistry KEY TERMS

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  1. Relative Isotopic Mass
    The mass of an atom of an isotope compared with one twelfth of a mass of an atom of Carbon-12 (= 12 C)
  2. Relative  Atomic Mass
    The relative atomic mass is the weighted mean mass of an atom of that element relative to one-twelfth of the mass of an atom of carbon-12. 
  3. Relative Molecular Mass
    Mr, is the weighted mean mass of a molecule compared with one twelfth of the mass of an atom of carbon-12. 
  4. Relative Formula Mass
    Relative formula mass is the weighted mean mass of a formula unit compared with one-twelfth of the mass of an atom of carbon-12. 
  5. Amount of a substance...
    ... is the quantity whose unit is the mole.
  6. A Mole... the amount of any substance containing as many particles as there are in carbon atoms in exactly 12g of the carbon-12 isotope.
  7. Molar Mass ...
    • ... M, is the mass per mole of a substance. The Unit: gmol-1

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Chemistry KEY TERMS
2013-09-15 10:58:19
Chemistry Key Terms Flipped Homework HW isotopes definitions atomic masses

Flipped Homework on Isotopes and atomic masses
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