Science

Edit Answers
1234567891011121314151617181920
Across
  1. 2. the atomic number is just the amount of ___
  2. 3. reaction where the item gets warmer
  3. 5. you can find a ______ in the nucleus
  4. 11. Cl is an element on the ________
  5. 12. reaction where the item gets colder
  6. 14. NaCl + Mg --> MgCl2 + Na is an example of a _____ reaction
  7. 17. the ______ of water is 1g/ml
  8. 18. changes but does not create any new substances
  9. 19. CH4 + O2 → CO2 + H2O
  10. 20. AgNO3 + NaCl --> AgCl + NaNO3 is an example of a _____ reaction
Down
  1. 1. MgO is an example of a ______
  2. 4. CO2 --> C + O2 is an example of a chemical ______
  3. 6. the ______ of an atom surrounds the nucleus
  4. 7. Na + Cl2 --> NaCl is an example of a _____ reaction
  5. 8. He is a ______
  6. 9. creates a new substance but has the same mass
  7. 10. Fe is a ______
  8. 13. CO2 --> C + O2 is an example of a _____ reaction
  9. 15. NaCl is the ____ of Na + Cl2
  10. 16. CO2 is an example of a ______