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Edexcel Radioactivity
In this section we look inside the atom and the subatomic world. This is where things start to get really strange!
Choose your topic:
- Atoms [FREE] - Never trust an atom - they make up everything!
- Nuclear Radiation - Unstable isotopes emit particles from their nucleus
- Nuclear Equations - These show what happens when alpha, beta and gamma are emitted
- Half-life - The time it takes for the number of nuclei in a sample to halve
- Hazards of Radiation - There are a few dangers....
- Uses of Radiation - Radioactive sources are incredibly useful for many applications
- Background Radiation - You can't escape it, you are currently being irradiated
- Medical Uses of Radioactivity - Radioactivity, although hazardous, has many benefits
- PET Scanners - Positron Emission Tomography
- Fission and Fusion - Releasing energy from splitting, or joining, nuclei