Mass defect and binding energy
Mass defect and binding energy
An atomic nucleus contains protons and neutrons, called nucleons. In nuclear notation, proton number is ZZZ and nucleon number is AAA. If you add the masses of the separate nucleons, the total is slightly larger than the actual mass of the bound nucleus.
Step-by-step lessons on Edexcel AS Level Physics Binding energy, fission and fusion. Each one builds up to exam-style questions.