What is the definition of relative atomic mass?

The average mass of all the isotopes of that element.

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What is the symbol for relative atomic mass?

Ar

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On a periodic table, is the relative atomic mass the larger or smaller of the 2 numbers for each element?

The larger number.

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How do you find the relative formula mass of a compound?

  1. Write down how many atoms of each element there are, and their relative atomic masses.
  2. Multiply the number of atoms of each element by their relative atomic mass.
  3. Add all the values together.

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What is the symbol for relative formula mass?

Mr (sometimes you may see it as 'RFM').

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