The nuclide notation for polonium-210 is 84210Po^{210}_{84}\text{Po}84210Po.
How many electrons orbit the nucleus of a neutral atom of polonium-210?
000
848484
126126126
210210210
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.