chem ec periodic trends & atomic structure

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Across
  1. 2. 3-dimensional region around the nucleus that indicates the probable location of an electron
  2. 5. negative ion
  3. 7. elements 90-103
  4. 11. - group 17 on periodic table
  5. 13. radius 1/2 the distance between nuclei
  6. 14. group 1 on periodic table
  7. 16. p & s block elements
  8. 18. quantity of energy that can be lost or gained by an atom
  9. 20. a block elements
  10. 21. the physical and chemical properties of elements
  11. 23. lowest energy state of an atom
  12. 24. each orbital is occupied by an electron before any orbital can get a second electron
  13. 25. energy required to remove an electron
  14. 26. arrangement of electrons in an atom
Down
  1. 1. elements 58-71
  2. 3. arrangement of elements
  3. 4. group 18; all elements want to be like them
  4. 6. measure of ability to attract electrons
  5. 8. group 2 on periodic table
  6. 9. positive ion
  7. 10. group of bounded atoms
  8. 12. process that results in an ion
  9. 15. atoms going higher than ground state
  10. 17. particle of electromagnetic radiation having zero mass and carrying a quantum of energy
  11. 19. energy change when the electron is acquired by a neutral atom
  12. 22. electrons that can be lost, gained, or shared