Across
- 3. Combining two atoms together to make a new atom
- 4. A stable isotope of hydrogen
- 5. A famous jewelry Company/Owners name
- 8. A positron with positive charge
- 9. A radioactive isotope of hydrogen
- 10. 2 neutrons and 2 protons
- 12. Same number of protons but different numbers of neutrons
Down
- 1. Breaking apart an atom into two new ones
- 2. Same mass as an electron but is a positive charge
- 6. The start of a chemical reaction
- 7. Releases a unit of energy called a gamma particle
- 8. neutron turns to a proton, an electron
- 11. Substances that are formed in result of a chemical reaction