Chemistry Unit 2

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Across
  1. 3. electron in a low energy state
  2. 4. number of protons and neutrons
  3. 6. relative energy an electron has
  4. 8. metals that have d orbit
  5. 10. energy needed to remove an electron
  6. 11. electron in a high energy state
  7. 13. energy released as electrons move from one orbit to another
  8. 16. metals in group 2
  9. 19. elements that are good conductors
  10. 21. nonmetals in group 8
  11. 23. electrons in the outermost energy level
  12. 24. positive charge particle in the nucleus
  13. 25. row on the periodic table
  14. 26. the size of the atom based on number of energy levels
  15. 28. small, dense, positive structure at the center of the atom
  16. 29. particle that is smaller than the atom
Down
  1. 1. neutral charge particle in the nucleus
  2. 2. elements that are poor conductors
  3. 5. column on the periodic table
  4. 6. arrangement of electrons around the nucleus
  5. 7. ability to attract electrons
  6. 9. region an electron is likely to be found
  7. 12. average of an element's isotopes and percent found in nature
  8. 14. number of protons
  9. 15. elements that fall between good and poor conductors
  10. 17. electrons in the outermost energy level
  11. 18. nonmetals in group 7
  12. 20. negative charge particle outside the nucleus
  13. 22. metals in group 1
  14. 27. element with different number of neutrons