Chemistry Terms - 2D Science

Edit Answers
123456789101112131415161718192021222324
Across
  1. 4. non-metals from group 17
  2. 6. an observation without a number
  3. 9. made of atoms
  4. 10. a compound that puts H+ in solution
  5. 12. something that changes colour to tell us the pH
  6. 13. smallest particle of an element
  7. 14. a row on the periodic table
  8. 16. an observation with a number
  9. 17. how atoms stick together
  10. 18. made of 2 or more atoms
  11. 19. a positive subatomic particle
  12. 20. Calcium has 2 valence __________
  13. 22. a tool to measure mass
  14. 23. another word for homogeneous mixture
  15. 24. the outer electrons are called _______ electrons
Down
  1. 1. a reaction that burns CHO compounds
  2. 2. anything with mass and volume
  3. 3. matter made of 2+ types of atoms
  4. 5. the reaction between acids and bases
  5. 7. a type of mixture where we can see the parts
  6. 8. metals from group 1 of periodic table
  7. 11. a type of mixture where we cannot see the parts
  8. 15. a reaction with only one product
  9. 17. a compound that puts OH- in solution
  10. 19. the scale to measure the amount of H+
  11. 21. the centre of the atom