(a)[3]
State, using the total numbers of electrons, neutrons and protons, one difference and two similarities between these magnesium isotopes.
(b(i))[2]
Why is the reaction the same for all magnesium isotopes?
(b(ii))[2]
Write a chemical equation for the reaction between magnesium and dilute hydrochloric acid.
(b(iii))[2]
Describe a test for hydrogen. test result
(c)[3]
Describe the structure and bonding of metals. Include a labelled diagram in your answer.
(d(i))[3]
Complete the dot-and-cross diagrams to show the electronic structures of the ions in magnesium oxide. Show the charges on the ions.
(d(ii))[1]
Why is the melting point of magnesium oxide so high?
(d(iii))[1]
Explain why molten magnesium oxide can conduct electricity.