The average mass of an atom of an element compared with 1/12th the mass of a Carbon-12 atom (exactly 12 units).
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Relative Isotopic Mass
The average mass of an isotope of an element compared with 1/12th the mass of a Carbon-12 atom (exactly 12 units)
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Relative molecular mass Mr
The average mass of a molecule compared with 1/12th of a Carbon-12 atom (exactly 12 units)
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Formula Mass
(Used for ionic latices/giant covalent compounds). The average mass of a formula unit compared with 1/12th the mass of a Carbon-12 atom (exactly 12 units).
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Ionisation Energy
The energy required to remove 1 electron from each atom in 1 mole of gaseous atoms to form 1 mole of gaseous 1+ ions.
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Other cards in this set
Card 2
Front
The average mass of an atom of an element compared with 1/12th the mass of a Carbon-12 atom (exactly 12 units).
Back
Relative Atomic Mass, Ar
Card 3
Front
The average mass of an isotope of an element compared with 1/12th the mass of a Carbon-12 atom (exactly 12 units)
Back
Card 4
Front
The average mass of a molecule compared with 1/12th of a Carbon-12 atom (exactly 12 units)
Back
Card 5
Front
(Used for ionic latices/giant covalent compounds). The average mass of a formula unit compared with 1/12th the mass of a Carbon-12 atom (exactly 12 units).
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