(a(i))[1]
Name the type of bonding present between the atoms in a $\text{P}_4$ molecule.
(a(ii))[1]
Explain, in terms of attractive forces between particles, why $\text{P}_4$ has a low melting point.
(a(iii))[1]
Explain why phosphorus does not conduct electricity.
(b(i))[2]
Write a chemical equation for this reaction.
(b(ii))[1]
What kind of chemical reaction is this?
(c)[2]
Write a chemical equation for the reaction between phosphorus(V) oxide and aqueous sodium hydroxide.
(d)[2]
Complete the dot-and-cross diagram to represent the electron arrangement in a phosphine molecule. Include only outer-shell electrons.
(e(i))[1]
What does the term base mean?
(e(ii))[2]
Write a chemical equation for how ammonia reacts with sulfuric acid.