(a(i))[1]
Explain why nitrogen is placed in Group V of the Periodic Table.
(a(ii))[3]
Fill in Table 4.1 to give the numbers of protons, neutrons and electrons in one atom of each isotope.
(b(i))[1]
State one source of oxides of nitrogen found in the air.
(b(ii))[1]
Complete the symbol equation for this reaction: $4NH_3 + 7O_2 \rightarrow 4NO_2 + \ldots H_2O$
(b(iii))[1]
State the type of bonding between the atoms in nitrogen dioxide.
(b(iv))[1]
State whether nitrogen dioxide is an acidic or basic oxide. Give a reason for your answer.
(c)[2]
Complete Table 4.2 to work out the relative formula mass of Al(NO$_3$)$_3$.