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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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Assignment #30Polyatomic Ions Regular Chemistry
Using Polyatomic Ions • Type I • Sodium nitrate • NaNO3 • Lithium carbonate • Li2CO3 • Barium hydroxide • Ba(OH)2 Regular Chemistry
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) • Nitrate • NO3- • Nitrite • NO2- • Sulfate • SO42- • Sulfite • SO32- Regular Chemistry
Prefixes • Hypo- • Less • Hyper- • More Regular Chemistry
Prefixes • Hypo- • Less • Per- • More • ClO3- • Chlorate • ClO2- • Chlorite • ClO- • Hypochlorite • ClO4- • Perchlorate Regular Chemistry
Another Prefix • Bi- • DOES NOT MEAN 2!!! • Hydrogen ion (H+) • Sulfate • SO42- • Bisulfate • HSO4- • Hydrogen sulfate Regular Chemistry
Weird Ones • Na2O • Sodium oxide • Na2O2 • Sodium peroxide • Polyatomic ion • HgF2 • Mercury(II) fluoride • Hg2F2 • Mercury(I) fluoride • Another polyatomic ion Regular Chemistry
Summary • Writing Formulas with polyatomics • Using parenthesis • Endings: -ate, -ite • Prefixes: per-, hypo-, bi- • Weird Ones: • Peroxide • Mercury (I) Regular Chemistry