A standard sample of table salt contains chlorine.
The chlorine exists as negative chloride ions.
How does a chloride ion differ from a neutral chlorine atom?
The ion has fewer electrons orbiting the nucleus.
The ion has more electrons orbiting the nucleus.
The nucleus of the ion has more positive charge.
The nucleus of the ion has less positive 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.