MINI QUIZ

1234567
Across
  1. 2. Matter and Energy
  2. 5. Amount of substance
  3. 6. A horizontal line drawn over a number
  4. 7. Occupies space and has mass
Down
  1. 1. Ionized form of gases composed of charged particles
  2. 3. Solid to gas
  3. 4. Matter changes in its atomic structure/level