Which statement about the nucleus of an atom is correct?
It contains positive protons and neutral neutrons, giving it an overall positive charge.
It contains positive protons and negative electrons, giving it an overall neutral charge.
It contains neutral neutrons and negative electrons, giving it an overall negative charge.
It contains positive protons and neutral neutrons, giving it an overall neutral charge.
170 exam-style questions on CIE IGCSE Physics 5.1.2a Composition of the nucleus and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.