BRAINCAKERadioactive Change
Alpha emission results in the loss of 2 neutrons and 2 protons. The mass number decreases by 4 and the atomic number decreases by 2.
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Key terms in this lesson
- gamma radiation
- Ionising electromagnetic radiation emitted from the nucleus of an unstable atom, usually following alpha or beta emission.
More in Radioactivity
- Radioactivity Observations
- Geiger Tube
- The nature of α, β and γ Radiation.
- Gamma radiation
- The Dangers of Radioactivity
- Background Radiation
- Radioactive Decay and Half-life
- Activity
All 25 lessons in Radioactivity · All OCR A-level Physics topics