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3 Cards in this Set
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- Back
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Definition of relative atomic mass |
The average mass of one atom of an element divided by 1/12 of the mass of an atom of carbon-1 |
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Definition of ionisation energy |
The amount of energy required to remove an electron from one mole of gaseous atom to produce positive ions |
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Definition of relative molecular mass |
The average mass of one molecule of an element or compound divided by 1/12 of the mass of an atom of carbon-12 |
