Chemistry

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Across
  1. 5. Able to be hammered or rolled into a thin sheet by pressure
  2. 7. Family 2 on periodic table; two valence electrons
  3. 8. Ten shortest columns on the periodic table
  4. 11. Step-like line on right side of periodic table; separates metals from nonmetals
  5. 12. Transfer of heat or electricity through a given material
  6. 13. Mass of matter per a given volume or space occupied
  7. 15. Family 15 on periodic table; five valence electrons
  8. 16. Horizontal rows on the periodic table; one to seven
  9. 19. Family 1 on periodic table; one valence electron
  10. 22. Eight tallest columns on the periodic table
  11. 23. Family 16 on periodic table; six valence electrons
  12. 24. Element which have some properties of metals and nonmetals
  13. 25. Family 18 on periodic table; typically eight valence electrons
Down
  1. 1. Elements which are typically poor conductors of heat and electricity; brittle solids.
  2. 2. A state that matter exists; solid liquid gas
  3. 3. Group B on periodic table; ten shortest columns
  4. 4. Family 13 on periodic table; three valence electrons
  5. 6. Columns on the periodic table
  6. 9. Response of one material to presence of another
  7. 10. Able to be drawn into a wire using heat or pressure
  8. 14. Family 14 on periodic table; four valence electrons
  9. 17. Family 17 on periodic table; seven valence electrons
  10. 18. Columns on the periodic table
  11. 20. Elements which are typically good conductors of heat and electricity; malleable and ductile.
  12. 21. outermost shell or energy level electrons