Chemistry

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Across
  1. 5. Bendable
  2. 6. particle Particles of matter that are smaller than a hydrogen atom
  3. 7. character The level of reactivity of a metal
  4. 13. The ability to transmit heat, electricity, or sound
  5. 14. Gases Name of Group 18
  6. 17. Brittle and non-conductable
  7. 18. properties A property of a substance during a reaction in which the chemical composition or identity of the substance is changed
  8. 19. Name of Group 17
  9. 21. Neutral charge
  10. 23. Positively charged
  11. 24. Conductive and malleable
  12. 25. metals Name of Group 1
Down
  1. 1. A group of elements with similar chemical properties
  2. 2. earth metals Name of Group 2
  3. 3. Negatively charged
  4. 4. The smallest component of an element
  5. 8. force The attraction between opposite forces
  6. 9. Semi-conductable
  7. 10. electrons Electrons on the outermost shell
  8. 11. radius The distance from the nucleus to the edge of the atom
  9. 12. The center of an atom
  10. 15. When two or more chemical elements are chemically bonded together
  11. 16. The periodic table is made up of ________
  12. 20. Synonym for shiny
  13. 22. Fragile or frail