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Common Polyatomic Ions Name(s) Formula Name(s) Formula ammonium NH4 + acetate CH3COO-C2H3O2-bromate BrO3-carbonate CO3 2-chlorate ClO3-chlorite ClO2-chromate CrO4 2-cyanide CN-dichromate Cr2O7 2-hydrogen carbonate bicarbonate HCO3-hydrogen sulfate bisulfate HSO4-hydrogen phosphate biphosphate HPO4 2-hydroxide OH-
Common Polyatomic Ions. The word “ion” is assumed for each of the polyatomic ion names in this table. The formula for the acetate ion can also be written CH3COO− and CH3CO2 −. The formula for the hypochlorite can also be written OCl−. The formula for the cyanate ion can also be written OCN−. Alan D. Earhart. 11/7/2016.
A polyatomic ion is a charged species consisting of two or more atoms covalently bonded together. Here's a guide to some of the most common examples! –. O. C O. ACETATE. Formula: C2H3O. –. 2. –. O H. HYDROXIDE. Formula: OH–. –. Cl O. HYPOCHLORITE. Formula: ClO–. 2–. C. O. CARBONATE. Formula: CO. 2–. 3. 2–. O O. PEROXIDE. Formula: O. 2–. –. Cl. O O.
Common Polyatomic Ions (Alphabetical order by ion name) NOTE:-ite ending means one less oxygen than the -ate form. PREFIXES: per- = one more oxygen than -ate hypo- = one less oxygen than –ite . Ion Name
Some polyatomic ions can be changed by change number of oxygens. -ate Ion -ite Ion per__ite (Base) Formula (-1 oxy) Formula (+1 oxy) Chlorate ClO31- Chlorite ClO21- Perchlorate Bromate BrO31- Bromite BrO21- Perbromate. Nitrate NO31- Nitrite NO21-Carbonate CO32- Carbonite CO22-Sulfate SO42- Sulfite SO32-Phosphate PO43- Phosphite PO33-.
POLYATOMIC IONS: NAMES, FORMULAE & CHARGES A polyatomic ion is a charged species consisting of two or more atoms covalently bonded together. Here's a guide to some of the most common examples! AMMONIUM ACETATE CARBONATE CHLORATE CHLORITE CHROMATE CYANIDE Formula: NH 4 + Formula: C 2 H 3 O 2 – Formula: CO 3 2– Formula: ClO 3 – Formula: ClO ...
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