Atomic masses

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  • Created by: Amy Mc
  • Created on: 20-02-15 16:41
What isotope has been chosen as the international standard for the measurement of relative mass?
C-12
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What is relative atomic mass, Ar?
the weighted mean mass of an atom of an element compared with 1/12 of the mass of an atom of C-12
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What is relative isotopic mass?
the mass of an atom of an isotope compared with 1/12 of the mass of an atom of C-12
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What is relative formula mass, Mr?
the weighted mean mass of a formula unit compared with 1/12 of the mass of an atom of C-12
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What is relative molecular mass?
the weighted mean mass of a molecule compared with 1/12 of the mass of an atom of C-12
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Other cards in this set

Card 2

Front

What is relative atomic mass, Ar?

Back

the weighted mean mass of an atom of an element compared with 1/12 of the mass of an atom of C-12

Card 3

Front

What is relative isotopic mass?

Back

Preview of the front of card 3

Card 4

Front

What is relative formula mass, Mr?

Back

Preview of the front of card 4

Card 5

Front

What is relative molecular mass?

Back

Preview of the front of card 5

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