chapter 4

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Across
  1. 3. almost 80% of elements hav few valence electrons
  2. 4. metals two or more valence electrons
  3. 6. electrons electrons in the outermost energy level in a neutral atom
  4. 9. hav seven valence electrons highly reactively
  5. 10. groups metals nonmetals nonmetals metalloids
  6. 13. both columns and rows on the periodic table relate to the relate the structure of the atom
  7. 15. characteristics of metals and nonmetals
Down
  1. 1. metals one valence electrons highly reactive
  2. 2. table chemical elements arranged in a way that displays their periodic properties
  3. 5. gases eight valence electrons and unreactive
  4. 7. earth metals hav two valence electrons
  5. 8. law elements vary in a periodic way with their atomic numbers
  6. 11. transition metals two valence electrons and are rare
  7. 12. four or more valence electrons don't exhibit characteristics of metals
  8. 14. set of elements similar structures