Chapter 4 terms

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Across
  1. 3. 4 or more valence electrons and do not show properties of metal
  2. 4. radius the distance from the center of the nucleus to the outermost electron
  3. 7. metals one valence electron, most reactive, found in parts of compounds
  4. 10. few valence electrons, 80% of elements, on the left of stair step
  5. 12. a row on the periodic table
  6. 13. gas group 18, 8 valence electrons, chemically unreactive
  7. 14. transition metal typically two electrons
  8. 15. groups groups 13-16 containing metals, nonmetals, and metalloids
  9. 17. law properties of an element varies in a periodic way with their atomic numbers
  10. 18. table table of of chemical elements arranged to display periodic properties with atomic numbers
Down
  1. 1. electrons electrons in the outermost energy level of a neutral atom
  2. 2. measure of an elements ability to attract and hold electrons when bonded
  3. 5. metal often used as alloys, containing cations charged plus 1 or 2
  4. 6. metal two valence electrons,slightly less reactive to alkali
  5. 8. a set of numbers in the same column of the periodic table
  6. 9. group 17, seven valence electrons, highly reactive
  7. 11. dot notation elements chemical symbol surrounded by the atoms valence electrons
  8. 16. characters of both metals and nonmetals also called semiconductors