Radioactive Particles key information
- Created by: Ella
- Created on: 15-01-14 18:58
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- Radioactive Particles
- Alpha particles
- Contain 2 protons and 2 neutrons
- Have a mass of 4
- Have a charge of 2+
- Can only travel a few cm in air.
- Can be blocked by paper and skin.
- Beta particles
- Are made up of one election.
- Have a charge of 1-.
- Have a very small mass.
- Can travel 1 metre in air.
- Blocked by a few cm of aluminium.
- Gamma particles
- Electromagnetic waves
- No mass or charge.
- Can travel for many km in air.
- Can be blocked by a few cm of lead or a few ft of concrete
- Alpha particles
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