Radiation crossword

5. High energy electromagnetic radiation, with a shorter wavelength than X-rays.
8. A type of radiation that has no charge and no mass.
10. One of the 3 particles in an atom, it has postive charge.
11. The middle of an atom, it has neutrons and protons.
12. One of the 3 particles in an atom, it has negative charge and small mass.
13. Atoms that are the same element (have the same number of protons) but differnt numbers of neutrons.
14. Made of neutrons, protons and electrons.

1. The most ionisising radiation, it happens when an alpha particle is emitted from an atom.
2. A type of radiation than has negative charge and a very small mass.
3. A high energy, fast moving electron.
4. An element that has two protons, two neutrons and two electrons.
6. The nucleus of a helium atom, two neutrons and two protons.
7. When radiation takes electrons away from from atoms.
9. One of the 3 particles in an atom, it has no charge.