Periodic Table & Trends

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Across
  1. 5. element with the greatest electronegativity
  2. 6. group with 7 valence electrons
  3. 8. nonreactive or inert elements
  4. 11. elements that exhibit properties of metals and nonmetals
  5. 12. ability of an atom to attract electrons from another atom in a chemical bond
  6. 14. collection of elements in groups 3-12
  7. 16. credited with creating the periodic table
  8. 18. modernized the periodic table by listing according to atomic number
Down
  1. 1. group 1 on the periodic table
  2. 2. indicates the charge on an atom after it has gained or lost electrons
  3. 3. amount of energy required to remove an electron from an atom
  4. 4. elements that are typically either brittle solids or gases at room temperature
  5. 7. group 2 on the periodic table
  6. 9. inner core electrons block the pull of the nucleus
  7. 10. electrons in the outermost energy level
  8. 13. element with the largest atomic radius
  9. 15. element in period 4 and group 16
  10. 17. elements that are typically shiny, malleable and conductive