Relative Mass

Question 1

Give the definition of relative atomic mass

Answer 1

The average mass of an atom of an element on a scale where an atom of carbon - 12 is exactly 12

Question 2

Give the definition of relative isotopic mass

Answer 2

Mass of an atom of an isotope of an element on a scale where an atom of carbon - 12 is exactly 12

Question 3

Give the definition of relative formula mass

Answer 3

Average mass of a formula unit on a scale where an atom of carbon - 12 is exactly 12