(a(i))[1]
turns damp litmus paper white
(a(ii))[1]
dissolves in water to make an alkali
(a(iii))[1]
is a monatomic gas whose nucleus contains ten protons
(a(iv))[1]
is produced when hydrocarbons undergo incomplete combustion
(a(v))[1]
is an unsaturated hydrocarbon.
(b(i))[1]
diatomic, meaning two atoms
(b(ii))[1]
covalent bonds
(c)[2]
Complete the dot-and-cross diagram so that it shows the electron arrangement in a chlorine molecule. Show only the outer-shell electrons.