science

123456789101112131415
Across
  1. 2. the substances on the periodic table
  2. 4. a subatomic particle with a negative charge
  3. 9. a close similarity or affinity
  4. 11. shiny
  5. 12. the smallest unit of an element
  6. 14. an element that lacks metallic properties
  7. 15. an atom molecule with a net electric charge
Down
  1. 1. he state or power of being reactive or the degree to which a thing is reactive
  2. 3. able to be permanently changed
  3. 5. a solid material that is typically hard and shiny
  4. 6. a subatomic particle with a neutral charge
  5. 7. a column of elements in the periodic table
  6. 8. a subatomic particle with a positive charge
  7. 10. able to be drawn out of wire
  8. 13. the horizontal rows of a periodic table