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Assignment #30 Polyatomic Ions. Using Polyatomic Ions. Type I Sodium nitrate NaNO 3 Lithium carbonate Li 2 CO 3 Barium hydroxide Ba(OH) 2. Using Polyatomic Ions. Type II Chromium(III) phosphate CrPO 4 Lead(IV) sulfite Pb(SO 3 ) 2 Iron(III) chromate Fe 2 (CrO 4 ) 3.

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using polyatomic ions
Using Polyatomic Ions
  • Type I
  • Sodium nitrate
    • NaNO3
  • Lithium carbonate
    • Li2CO3
  • Barium hydroxide
    • Ba(OH)2

Regular Chemistry

using polyatomic ions1
Using Polyatomic Ions
  • Type II
  • Chromium(III) phosphate
    • CrPO4
  • Lead(IV) sulfite
    • Pb(SO3)2
  • Iron(III) chromate
    • Fe2(CrO4)3

Regular Chemistry

endings ate vs ite
Endings (-ate Vs. –ite)
  • Nitrate
    • NO3-
  • Nitrite
    • NO2-
  • Sulfate
    • SO42-
  • Sulfite
    • SO32-

Regular Chemistry

prefixes
Prefixes
  • Hypo-
    • Less
  • Hyper-
    • More

Regular Chemistry

prefixes1
Prefixes
  • Hypo-
    • Less
  • Per-
    • More
  • ClO3-
    • Chlorate
  • ClO2-
    • Chlorite
  • ClO-
    • Hypochlorite
  • ClO4-
    • Perchlorate

Regular Chemistry

another prefix
Another Prefix
  • Bi-
    • DOES NOT MEAN 2!!!
    • Hydrogen ion (H+)
  • Sulfate
    • SO42-
  • Bisulfate
    • HSO4-
    • Hydrogen sulfate

Regular Chemistry

weird ones
Weird Ones
  • Na2O
    • Sodium oxide
  • Na2O2
    • Sodium peroxide
    • Polyatomic ion
  • HgF2
    • Mercury(II) fluoride
  • Hg2F2
    • Mercury(I) fluoride
    • Another polyatomic ion

Regular Chemistry

summary
Summary
  • Writing Formulas with polyatomics
    • Using parenthesis
  • Endings: -ate, -ite
  • Prefixes: per-, hypo-, bi-
  • Weird Ones:
    • Peroxide
    • Mercury (I)

Regular Chemistry

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