module 2: 3.2 determination of formulae

Question 1

define molecular formula

Answer 1

the number of atoms of each element in a molecule

Question 2

define empirical formula

Answer 2

the simplest whole-number ratio of atoms iof each element in a compound

Question 3

define relative atomic mass

Answer 3

relative molecular mass compares the mass of a molecule with the mass of an atom of carbon-12

Question 4

define relative formula mass

Answer 4

relative formula mass compares the mass of a formula unit with the mass of an atom of carbon-12