This question is about relative formula mass.
What is the relative atomic mass of a sodium atom?
You will need to use a Periodic Table.
☐ | A | 11 |
☐ | B | 12 |
☐ | C | 23 |
☐ | D | 46 |
Draw one straight line from each formula to its relative formula mass.
(relative atomic masses: H = 1, C = 12, O = 16)
Put these molecules in order of relative formula mass, lowest first.
Ammonia (NH3), nitrogen monoxide (NO), water (H2O)
(relative atomic masses: H = 1, N = 14, O = 16)
Calculate the relative formula mass of a nitrogen molecule.
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