Atomic Bonding

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Across
  1. 2. Gain's or losses electrons
  2. 5. Chemical reactions that release heat or light
  3. 10. Many free electrons
  4. 11. Third generation of quarks
  5. 12. Holds quarks together
  6. 14. positively charged center
  7. 15. Elements want 8 in their outer shell
  8. 16. Electrons in the outer shell
  9. 17. Process of removing electrons from an atom to from ions
  10. 19. Negative charge
  11. 20. Basic chemical unit
Down
  1. 1. Positive charge
  2. 3. no charge
  3. 4. Second generation of quarks
  4. 5. Chemical reaction that makes the air cold around it
  5. 6. two or more chemically bound atoms
  6. 7. Shares electrons
  7. 8. Made of more than one substance
  8. 9. First generation of quarks
  9. 13. Particles that make up Neutrons and Electrons
  10. 18. Made of one substance