(a(i))[1]
Which pair of substances has giant covalent structures?
(a(ii))[1]
Which substance makes aqueous bromine go colourless?
(a(iii))[1]
Which substance is most likely to exist as a gas at room temperature and pressure?
(a(iv))[1]
Which substance counts as a hydrocarbon?
(a(v))[1]
Determine the empirical formula for substance D.
(b(i))[1]
What is the difference between the atomic structures of these two isotopes?
(b(ii))[1]
Determine how many neutrons are present in one atom of the isotope $^{14}_{6}\text{C}$.