chem 100 chapter 4

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Across
  1. 1. A molecule that is made up of two of the same atom.(2 words)
  2. 4. An interaction between oppositely charged ions.(2 words)
  3. 5. An atom with a net positive or a net negative charge.
  4. 8. In a Lewis dot diagram, a pair of electrons placed around an atom's symbol.(2 words)
  5. 10. An electron in the outermost energy level of an atom.(2 words)
  6. 13. Shared electron pairs between atoms.(2 words)
  7. 14. A dot-based notation that shows valence electrons in an atom, ion, or molecule.(3 words)
  8. 16. An octet of valence electrons.(3 words)
  9. 18. A chemical bond within a solid metal that is described as a "sea of electrons."(2 words)
  10. 20. A force that holds two atoms or ions together.(2 words)
Down
  1. 2. A positively charged ion.
  2. 3. When used to describe a salt, the repeating motif in a crystalline solid.(2 words)
  3. 6. The tendency of an atom in a covalent bond to pull electron density to itself.
  4. 7. A compound composed of ions of opposite charge.(2 words)
  5. 9. Describes a bond that has a lop-sidedness of electron density.
  6. 11. An electron in an atom that is not a valence electron.(2 words)
  7. 12. Atoms often attain a total of eight valence electrons as a result of gaining or losing or sharing electrons.(2 words)
  8. 15. A negatively charged ion.
  9. 17. Describes a bond that has evenly distributed electron density.
  10. 19. An ionic compound.