(a(i))[1]
Explain why sulfur is assigned to Group VI of the Periodic Table.
(a(ii))[3]
Fill in Table 3.1 to give the numbers of protons, neutrons and electrons in one atom of each isotope.
(b(i))[1]
State one source of sulfur dioxide in air.
(b(ii))[1]
State one harmful environmental effect of sulfur dioxide.
(b(iii))[2]
Complete the symbol equation below for this reaction.\n\n$\text{SO}_2 + 2\text{H}_2\text{S} \rightarrow \ldots\ldots\text{S} + \ldots\ldots\text{H}_2\text{O}$
(b(iv))[1]
State the type of bonding found between the atoms in sulfur dioxide.
(c)[2]
Complete Table 3.2 to work out the relative formula mass of $\text{Al}_2(\text{SO}_4)_3$.