Which statement is correct for a neutral atom of any element?
The number of neutrons is always equal to the number of protons.
The number of protons is equal to the number of electrons.
The mass of the electrons is greater than the mass of the nucleus.
The nucleus has zero net electric charge.
114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.