Nuclear Energy

12345678910111213
Across
  1. 2. Helium nucleus
  2. 6. Atoms in which mass is different than listed on periodic table
  3. 7. Radiation that is waves instead of particles
  4. 9. Amount of protons
  5. 10. Radioactive nucleus is split
  6. 11. The amount of time it takes for a sample to lose half of its mass
  7. 12. Protons + neutrons
Down
  1. 1. Ability of an atom to emit mass & energy
  2. 3. Housed in the nucleus; positive charge
  3. 4. Housed in the nucleus; neutral charge
  4. 5. Reaction in which an atom spreads the reaction to others
  5. 8. Nuclei of two atoms combine
  6. 10. The center of a atom
  7. 13. Particle that has a negative charge