Element symbols crossword

Edit Answers
1234567891011121314
Across
  1. 2. calcium
  2. 5. substance made up of two or more different types atoms bonded together
  3. 7. S
  4. 8. He
  5. 9. Li
  6. 12. substance made up of one type of atom
  7. 14. O
Down
  1. 1. C
  2. 3. Na
  3. 4. when a substance dissolves in water it makes this type of mixture
  4. 6. Au
  5. 10. hydrogen
  6. 11. magnesium
  7. 13. substances mixed together but not chemically bonded