Chemistry Vocab review

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Across
  1. 2. material that is brittle and not shiny
  2. 5. material that is metal and non-metal
  3. 6. act in which a new substance has formed
  4. 9. an atoms distance from the nucleus
  5. 11. change in shape, size, state of matter
  6. 14. table that organizes different elements
  7. 16. electrons circulating the nucleus
  8. 18. located in the nucleus POSITIVE CHARGE neutron located in the nucleus NEUTRAL CHARGE
Down
  1. 1. a system that is unchanging
  2. 3. having a tendency to react chemically
  3. 4. negative charged subtonic particle
  4. 5. is a shiny and malleable solid material
  5. 7. determines the reactivity of an element
  6. 8. shows the number of atoms
  7. 10. tells the number of molecules
  8. 12. number of protons in the nucleus
  9. 13. rows going left to right
  10. 15. basic unit of chemical unit
  11. 17. columns going up and down