Chemistry Review

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Across
  1. 3. An alkali metal.
  2. 5. Bonding where electrons are shared.
  3. 8. A Noble gas.
  4. 10. This gas re-lights a glowing splint.
  5. 14. More than 1 phase.
  6. 15. A change from gas directly to a solid.
  7. 16. Bonding where electrons are transferred.
  8. 19. Can be found in all 3 states at room temperature.
  9. 20. A negatively charged ion.
  10. 23. A horizontal row on the periodic table.
  11. 24. The prefix for the number five.
Down
  1. 1. Only has 1 phase.
  2. 2. The special name given to the outer shell electrons.
  3. 4. A vertical column on the periodic table.
  4. 6. A negatively charged particle.
  5. 7. A positive particle.
  6. 9. A positively charged ion.
  7. 11. A change where no new substance is formed.
  8. 12. A change where a new substance is formed.
  9. 13. A neutral particle.
  10. 17. This is a characteristic property.
  11. 18. This diagram only shows the outer shell electrons
  12. 21. A negatively charged atom.
  13. 22. Most elements are this type of element.
  14. 25. Most atoms want this number of electrons in the outer shell.