The statements provide some chemical characteristics of metal X and its compounds.
(a)[2]
Use the information to help put lead, magnesium, silver, sodium and X into an order of reactivity.
(b)[1]
Suggest a likely identity for X.
(c)[1]
Construct the equation for the reaction of the oxide, XO, with magnesium.
(d)[1]
Construct the ionic equation for the reaction between X and aqueous lead(II) nitrate, Pb(NO$_3$)$_2$(aq).
(e)[3]
Explain why X conducts electricity and has a high melting point.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Sodium, magnesium, lead and silver in the correct sequence (ignore X)” …