Chemistry

123456789101112
Across
  1. 3. Two or more atoms connected
  2. 6. Smallest part of a substance
  3. 8. A list of all the elements
  4. 9. Positive charge
  5. 12. The centre of an atom
Down
  1. 1. Solid becoming a liquid
  2. 2. Most dense state of matter
  3. 4. Two or more elements connected
  4. 5. What very hot water does
  5. 7. Negative charge
  6. 10. Liquid becoming a solid
  7. 11. State of matter that has no volume