Each nucleus of nuclide Y\text{Y}Y contains 8 protons and a total of 18 nucleons.
Which notation is correct for this nuclide?
818Y^{18}_{8}\text{Y}818Y
2618Y^{18}_{26}\text{Y}2618Y
810Y^{10}_{8}\text{Y}810Y
188Y^{8}_{18}\text{Y}188Y
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.