Across
- 5. If a nucleus is constantly decaying we call it this
- 7. Alpha radiation can be stopped by what
- 9. electrons have a negative charge
- 10. Alpha radiation is made up of 2 neutrons and 2 what
- 11. The large number next to an element on the periodic table is called the
- 12. Neutrons have a type of charge
Down
- 1. For radiation to occur the nucleus must be
- 2. Hat is the name for an atom with a varying number of neutrons
- 3. In beta radiation one neutral turns into a proton and an
- 4. Neutrons have a type of charge
- 6. what type of radiation has the greatest penetration
- 8. Alpha radiation causes the mass number to decrease by how much
- 9. Nuclear radiation is the break down of what