Chemistry Study Guide

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Across
  1. 2. goes across
  2. 6. have properties that are a mix metals & non metals, unique conductivity properties (B, Si, Ge)
  3. 9. what we start with
  4. 10. energy is released in the form of a heat
  5. 11. mass is not created or destroyed by chemical reactions or physical transformations.
  6. 16. atomic particles found in the nucleus
  7. 17. energy is absorbed making the products of the reaction cooler
  8. 20. the smallest unit of energy
  9. 21. atomic partials that move around the nucleus (-)
  10. 22. what we end up with
  11. 23. Abbreviated name of element
  12. 25. atomic particles found in the nucleus, no charge
  13. 26. a combination of atoms bonded together
Down
  1. 1. have properties of metal, brittle, not malleable, ductile, poor conductors of heat & electricity
  2. 3. a particle that moves around the nucleus (+) (doesn't appear in H)
  3. 4. goes down
  4. 5. developed the periodic table of elements (Russian)
  5. 7. a pure substance that has only one kind of atom in it.
  6. 8. the number of protons in the nucleus of an atom
  7. 12. the mass of an atom of a chemical element.
  8. 13. Regions of space outside the nucleus
  9. 14. any gas element
  10. 15. Electrons in the outer most orbital
  11. 18. solid, shiny, malleable, ductile, electricity & thermal conductor
  12. 19. a pure substance made up of two or more different atoms
  13. 24. a reaction that occurs in which a layer of metal is bonded to the surface of another substance