Across
- 4. the name for the particle produced from alpha decay.
- 6. A particle produced from a beta decay reaction, not an electron.
- 7. A unusual form of an element; different mass.
- 10. The brain of the atom
- 11. What the sun uses to produce energy.
- 13. Used to classify the elements and cannot be changed unlike atomic mass.
- 14. A atomic particle in the nucleus that does not effect the atomic number.
Down
- 1. A powerful type of radiation only stopped by lead.
- 2. Half the time it takes an element to decay.
- 3. a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
- 5. Tells you the mass of an element.
- 8. Nuclear power plants use this.
- 9. The act of being radioactive
- 12. Atomic particle that effects the atoms atomic number.