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.
284 exam-style questions on CIE IGCSE Physics 5.1 The nuclear model of the atom, covering 5.1.1a Structure of the atom and ions, 5.1.1b Alpha-particle scattering, 5.1.2a Composition of the nucleus and isotopes, 5.1.2b Proton number, nucleon number and nuclide notation, and 5.1.2c Nuclear fission and nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.