How Rutherford changed the atomic model
How Rutherford changed the atomic model

Rutherford's team fired alpha particles, which have charge +2e+2e+2e, at very thin gold foil. Most passed straight through, some were deflected, and a tiny fraction came back.
Step-by-step lessons on Eduqas A Level Physics Particles and Nuclear Structure. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- a minimum of 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.