Study guide

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Across
  1. 2. change in this makes a different element
  2. 4. more electrons
  3. 6. what group are alkali metals in
  4. 7. least powerful radiation wave
  5. 8. what cellular respiration makes
  6. 10. what produces oxygen
  7. 13. noble gases
  8. 14. most powerful radiation wave
  9. 15. reaction that takes place inside the nucleus
Down
  1. 1. protons + neutrons 2 words
  2. 3. AB+O-->AO+B
  3. 5. AB-->A+B
  4. 9. where chemical reaction takes place
  5. 11. most reactive group
  6. 12. neutral charge