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Nuclei, isotopes, and nuclear energy

Nuclei, isotopes, and nuclear energy

The nucleus is the tiny central part of an atom, and it contains protons and neutrons. An isotope is a form of the same element with the same number of protons but a different number of neutrons.

Fission and fusion Lesson

  1. IGCSE
  2. /Physics
  3. /Fission and fusion

Step-by-step lessons covering Edexcel IGCSE Physics Fission and fusion for IGCSE Physics. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Build a strong foundation in mechanics and electricity before tackling the more mathematically demanding astrophysics and nuclear topics.