Bonding and Types of Substance

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Across
  1. 2. Simple covalent molecules have low melting and boiling points because they have weak _____________ forces between the molecules.
  2. 6. Ionic compounds form a giant ionic __________.
  3. 8. __________ number on the periodic table tells us how many electrons are on an atoms outer shell.
  4. 9. Graphite is soft and slippery because it has __________. This means it is used as a lubricant for machines.
  5. 11. Ionic compounds can conduct electricity when molten or dissolved in solution because the ions can _________.
  6. 13. How many electrons does lithium donate when it forms an ionic bond with chlorine?
  7. 15. Giant covalent substances have high melting and boiling points because they have __________ bonds.
  8. 16. Type of bonding between two or more non-metals.
  9. 18. Positively charged ion.
  10. 21. Loss of electrons is called ____________.
  11. 22. Graphite can conduct electricity because it has ________ electrons.
  12. 25. The __________ an element is in tells use how many electron shells its atoms will have.
Down
  1. 1. Gain of electrons is called ____________.
  2. 3. Metals can be bent into shape. We say they are __________.
  3. 4. Negatively charged ion.
  4. 5. During ionic bonding, non-metal atoms ______ electrons.
  5. 7. Each carbon in diamond makes ________ bonds.
  6. 10. These are shared when non-metals bond to non-metals.
  7. 12. Type of bonding found in metals only.
  8. 14. A charged particle.
  9. 17. Type of bonding between a metal and a non-metal.
  10. 19. How many electrons will sulfur gain when it bonds with sodium?
  11. 20. When oxygen bonds to itself (O2) it forms a _______ covalent bond.
  12. 23. The type of attraction between oppositely charged ions.
  13. 24. During ionic bonding, metal atoms ______ electrons.