Complete Table 3.1 by filling in the missing entries.
Identify the lattice structure shown by graphite.
Explain why Sn has good electrical conductivity.
Write an equation for the reaction of magnesium carbonate with dilute $\text{HCl(aq)}$.
Describe the thermal stability of the carbonates down Group 2.
Ammonium carbonate undergoes an acid-base reaction with $\text{NaOH(aq)}$.\n\nExplain this statement.
Complete the graph in Fig. 3.1 to show the third to sixth ionisation energies of Si.
Construct an equation to represent the second ionisation energy of Si.
Explain the trend 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 for the formation of $\text{SiCl}_4$ from its constituent elements.
Describe what is observed when a small sample of $\text{SiCl}_4$ is added to water.
$\text{SiO}_2$ is a white solid that melts above $1700^\circ\text{C}$. $\text{SiCl}_4$ is a colourless liquid at room temperature. Explain the difference in the melting points of these two compounds with reference to their structure and bonding.
Tin forms an amphoteric oxide, $\text{SnO}_2$. Suggest the formula of the tin compound that forms when $\text{SnO}_2$ reacts with $\text{H}_2\text{SO}_4$ in an acid-base reaction.