(a(i))[1]
State the chemical name for CaCO$_3$.
(a(ii))[1]
Calculate the total mass of compounds produced from $1750\text{ cm}^3$ of sea water.
(a(iii))[1]
Choose one more compound that is soluble in water. Tick (✓) one box. lead(II) chloride magnesium carbonate potassium hydroxide silver chloride
(b)[2]
Describe how to test for chloride ions. test observations
(c)[2]
Complete Fig. 2.1 so that it shows: • the electronic configuration of a sodium ion • the charge on the ion.
(d)[2]
Describe how the particles are arranged in a liquid and how they move. arrangement motion
(e)[2]
State two additional properties of an ionic compound.
(f)[1]
Name the gas that is needed for aquatic life.