Chemistry

123456789101112
Across
  1. 2. Au (4)
  2. 3. Colour of potassium flame (6)
  3. 4. Chemical and ________ changes (8)
  4. 5. State with no vibration (5)
  5. 7. Opposite of element (8)
  6. 9. Opposite of Chemical (8)
  7. 11. Fe (4)
  8. 12. Means of heating within the lab (6)
Down
  1. 1. Name of vertical columns in periodic table (5)
  2. 3. ________ Table (8)
  3. 6. Pb (4)
  4. 8. Pt (8)
  5. 10. Number of atoms in 1 oxygen molecule (3)