Complete Table 3.1 by filling in the missing entries.
Identify the lattice type shown by graphite.
Explain why Sn conducts electricity well.
Write an equation for the reaction between magnesium carbonate and dilute $\text{HCl(aq)}$.
Describe how the thermal stability of the carbonates changes down Group 2.
Ammonium carbonate takes part in an acid-base reaction with $\text{NaOH(aq)}$.\n\nExplain this statement.
Complete the graph in Fig. 3.1 so that it shows the third to sixth ionisation energies of Si.
Construct an equation that represents the second ionisation energy of Si.
Explain the pattern in the boiling points of the Group 14 hydrides shown in Fig. 3.2.
Deduce the shape of a molecule of $\text{SiH}_4$.
Write an equation showing how $\text{SiCl}_4$ is formed from its constituent elements.
Describe what you observe when a small amount of $\text{SiCl}_4$ is added to water.
$\text{SiO}_2$ is a white solid that melts above $1700^\u0016\text{C}$. $\text{SiCl}_4$ is a colourless liquid at room temperature. Explain why these two compounds have different melting points with reference to structure and bonding.
Tin forms an amphoteric oxide, $\text{SnO}_2$. Suggest the formula of the tin compound formed when $\text{SnO}_2$ reacts with $\text{H}_2\text{SO}_4$ in an acid-base reaction.