Example image of eyePlorer eyePlorer map for 'Alpha particle': Atomic nucleus Greek alphabet Helium Neutron Proton Ionizing radiation Particle radiation Penetration Atom Mass number Nucleon Atomic number Alpha decay Radium Radon Thorium Uranium Actinium Radioactive decay Transuranium element Tellurium Gamma ray Beta decay Electromagnetic force Fundamental interaction Nuclear force Coulomb's law Electric charge Classical physics Potential well Quantum tunnelling Electron volt Beta particle Neutron radiation Cell (biology) Micrometre Radiation poisoning Chromosome Bladder cancer Isotopes of polonium Lung cancer Gas-filled tube Nuclear physics Nuclear reaction Ernest Rutherford J. J. Thomson Plum pudding model Radium bromide Ernest Marsden Geiger–Marsden experiment