chapter 6

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studysuccess
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185220
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chapter 6
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2012-11-25 02:42:20
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chapter chemeketa community college chemistry 121
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chemistry 121
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  1. How are Cations are named 
    Example: Mg
    • after their parent ion, with ion at the end.
    • Magnesium ion
  2. How are anions named
    F
    • with an ide ending
    • Fluoride
  3. What's the net charge of a chemical compound
    must be a net 0 charge
  4. What are binary ionic compounds composed of
    a nonmental and a metal
  5. How do you list a name of a compound?
    • Metal then+
    • nonmetal (modified to identify the stem),
    • +and -ide ending.
  6. What do the roman numerals placed in parentheses immediately following the name of a metal mean
    the charge on a cation
  7. how do you modify the end of a metal depending on it's charge?
    • -ous=lower charge
    • -ic=higher charge
    • -ide= nonmetal name ending
  8. Binary compounds containing 2 nonmetals: molecular or ionic
    molecular, because they have not lost or gained an electron
  9. prefix for  1
    mono
  10. prefix for 2
    cl2
    • di
    • dichlorine
  11. prefix for 3
  12. tri
  13. prefix for 4
    tetra
  14. prefix for 5
    penta
  15. prefix for 6
    hexa
  16. prefix for 7
    hepta
  17. prefix for 8
    octa
  18. prefix for 9
    nona
  19. prefix for 10
    deca
  20. Naming acids with non-mental
    • hydro- in front of the nonmetal.  
    • -ic end for the nonmetal.
  21. What's a polyatomic ion
    ion with 2 or more elements
  22. What do polyatomic ions consist mostly of
    • 1+ cations with negative polyatomic ion.
    • Na2CO3 (Na2=cation; CO3=negative polyatomic ion).
  23. How do you name a compound containing a  polyatomic ion
    cation first, then anion.
  24. why do some anions end in -ate
    • they contain more oxyten than those ending in -ite.
    • No2=nitrite; NNO3=nitrate
  25. What does per- denote?
    Short for hyper, denotes an anion with more oxygen than the -ate ending form.
  26. Hypo- denotes...
    anion with less oxygen than -ite form
  27. List 3 common positively charges polyatomic ions
    • mercury (I) Hg2^+2,
    • Hydronium H3O^+
    • Ammonium NH4^+

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