818O^{18}_{8}\text{O}818O is a nuclide of oxygen.
What is the composition of one nucleus of this nuclide?
888 neutrons, 101010 protons
888 neutrons, 181818 protons
101010 neutrons, 888 protons
181818 neutrons, 888 protons
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.