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Why nuclei can stay together

Why nuclei can stay together

The nucleus contains positively charged protons, so there is a large electromagnetic repulsion pushing protons apart. If that were the only force present, the nucleus would be unstable.

Stable and unstable nuclei Lesson

  1. A Level
  2. /Physics
  3. /Stable and unstable nuclei

Step-by-step lessons on AQA A Level Physics Stable and unstable nuclei. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons