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Chapter 19 review

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Transcript

  • 1. Chapter 19 Review
  • 2.
    • 1.The chemical abbreviation for a compound. (It tells elements and # of elements).
    • 2. The # of atoms of that element. Written below
    • 8
    • Group 18
    • Force that holds together the atoms in a substance.
  • 3.
    • Atoms that have a charge
    • Shows the charge. Written above.
    • Force of attraction between opposite charges of ions in an ionic compound.
    • NaCl
  • 4.
    • 10. The attraction that forms between atoms when they share electrons.
    • Cl 2
    • 12. Neutral particles formed as a result of electron sharing.
    • 13. Molecules that has a positive and negative end.
  • 5.
    • 14. Molecules that don’t have a positive and negative end.
    • A positive or negative # assigned to an element to show how it will combine in a compound.
    • +1 (Give 1)
    • +2 (Give 2)
  • 6.
    • +3 (Give 3)
    • +4/-4 (Either 4)
    • -3 (Take 3)
    • -2 (Take 2)
    • -1 (Take 1)
    • A compound made up of 2 elements.
  • 7.
    • Copper I Copper II
    • Iron II Iron III
    • Chromium II Chromium III
    • Lead II Lead IV
    • Chloride Oxide Fluoride
    • Sulfide Phosphide Bromide
    • Nitride Iodide Astatide
  • 8.
    • Overhead
    • Overhead
    • Overhead
    • Overhead
    • Overhead
    • A compound that has H 2 0 as part of a structure
  • 9.
    • 32. When H 2 O is removed from a compound.