Alpha (α\alphaα), beta (β\betaβ) and gamma (γ\gammaγ) are three types of nuclear radiation.
Which statement describes all three of these radioactive emissions?
They originate from the electron shells and are emitted at predictable times.
They originate from the nucleus and are emitted in a random process.
They originate from the electron shells and are emitted in a random process.
They originate from the nucleus and are emitted at predictable times.
81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.