(a(i))[1]
Which structure, A, B, C, D or E, is a diatomic molecule?
(a(ii))[1]
Which structure, A, B, C, D or E, contains ions?
(a(iii))[1]
Which structure, A, B, C, D or E, decolourises aqueous bromine?
(a(iv))[1]
Which structure, A, B, C, D or E, conducts electricity when molten?
(a(v))[1]
Which structure, A, B, C, D or E, contains atoms of two different halogens?
(b)[1]
What does the term element mean?
(c)[2]
What is the physical state of bromine at $-15\,^{\circ}\text{C}$? Explain your answer.