Ionic and Covalent Compounds

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Across
  1. 1. ionic compounds have _____ melting points
  2. 4. the process by which an atom gains or loses electrons to satisfy the octet rule
  3. 5. the number of valence electrons chlorine has
  4. 7. ionic compounds are good _____ of electricity
  5. 10. the number of valence electrons boron has
  6. 11. metals tend to ____ electrons after oxidation making them positively charged
  7. 12. this group on the periodic table does not react with any other elements (Hint: ____ gases)
  8. 14. covalent compounds have ____ melting points
  9. 16. the day of the week your interim is on
  10. 17. Mr. Battle's favorite color
  11. 18. this compound is made of two nonmetals
  12. 20. the day of the week your unit test is on
Down
  1. 2. this compound is made of a metal and nonmetal
  2. 3. these types of electrons are found on the outermost layer of an atom and affect reactivity
  3. 6. a substance composed of two different elements bonded together (NaCl, CO2)
  4. 8. the number of valence electrons sodium has
  5. 9. nonmetals tend to ____ electrons after oxidation making them negatively charged
  6. 13. the name of Mr. Battle's favorite princess (hint: cat)
  7. 15. a substance composed of two atoms of a single element (O2, CL2)
  8. 19. the day of the week Mr. Battle will return to class