IPC - MT 4

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Across
  1. 4. found in organic compounds
  2. 6. molecules of long chains of monomers
  3. 8. a chemical bond resulting from the attraction between oppositely charged ions (metals and nonmetals)
  4. 12. elements elements such as hydrogen, nitrogen, oxygen, fluorine, bromine, and iodine that cannot exist by themselves
  5. 13. atoms lose, gain, or share electrons in order to acquire a full set of eight valence electrons
  6. 14. matter that makes up the stars
  7. 15. a solid that is made up of crystals in which particles are arranged in regular, repeating patterns
  8. 16. the temperature at which a liquid freezes
  9. 18. used to name covalent compounds
  10. 20. a fat that is solid at room temperature; animal fats
  11. 21. the temperature at which a solid melts
Down
  1. 1. form covalent bonds between them
  2. 2. a group of covalently bonded atoms that have a charge
  3. 3. the amount of matter in an object
  4. 5. poor conductors of heat and electricity; found on the right side of the periodic table
  5. 7. one
  6. 9. electrons in the outermost energy levels
  7. 10. four
  8. 11. elements that have properties of metals and nonmetals; found along the stair-step line on the periodic table
  9. 17. found to the left side of the periodic table
  10. 19. numbers written below the line that tell how many atoms of a given element are in a compound