Explain what is meant by the terms
Relative atomic mass
Relative isotopic mass
[2]
Ionic compounds such as sodium chloride are arranged in a giant three-dimensional lattice structure, with a regular and repeating pattern of positive and negative ions.
State the formula unit of sodium chloride.
Complete Table 1.1
Chemical | Formula | Relative molecular / formula mass |
Magnesium oxide | MgO | |
Sulfuric acid | H2SO4 | |
Ammonium phosphate | (NH4)3PO4 | |
Copper(II) sulfate pentahydrate | CuSO4•5H2O |
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