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4 Cards in this Set
- Front
- Back
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Relative Isotopic Mass
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The mass of an atom of an isotope compared with one twelfth of the mass of an atom of carbon-12
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Molar Mass
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The mass per mole of a substance. The units of molar mass are g mol^-1
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First Ionisation Energy
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The energy required to remove one electron from each atom in one mole of gaseous atoms to form one mole of gaseous 1+ ions
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Successive Ionisation Energy
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A measure of the energy required to remove each electron in turn. For example, the second ionisation energy of an element is the energy required to remove one electron from each ion in one mole of gaseous 1+ ions to form one mole of gaseous 2+ ions
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