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Polyatomic Ions You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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Polyatomic Ions Polyatomic Ions - charged particles composed of several atoms bonded together. Polyatomic ions containing oxygen are called oxyanions. There are several series of polyatomic ions where there are different numbers of oxygen atoms. You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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Compounds with polyatomic ions
Compounds with polyatomic ions are NOT binary (this should be your hint!) We needed to memorize polyatomic ions because we cannot get their names or formulas from the periodic table! Remember polyatomic ions are a group of many atoms and CANNOT be broken up. You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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H2PO4 - dihydrogen phosphate
You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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C2H3O2 - Acetate or ethanoate
You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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hydrogen sulfite (bisulfite)
HSO3 - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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hydrogen sulfate (bisulfate)
HSO4 - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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hydrogen carbonate (bicarbonate)
You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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nitrite NO2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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nitrate NO3 - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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cyanide - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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hydroxide OH - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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permanganate MnO4 - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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hypochlorite ClO - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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chlorite ClO2 - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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chlorate ClO3 - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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perchlorate ClO4 - You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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HPO4 2- hydrogen phosphate
You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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oxalate C2O4 2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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sulfite SO3 2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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sulfate SO4 2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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carbonate CO3 2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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chromate 2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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dichromate Cr2O7 2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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silicate SiO3 2- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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phosphite PO3 3- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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phosphate PO4 3- You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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ammonium You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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Helpful Way to remember the polyatomic ions
Nick the camel ate a clam supper in Phoenix with Crista # of consonants = # of oxygen atoms # of vowels = charge Nick – nitrate – NO31- camel– carbonate – CO32- ate – to help you remember your –ate endings clam – chlorate – ClO31- supper – sulfate – SO42- Phoenix – phosphate – PO43- Crista – chromate – CrO42- -ite polyatomic ion endings are one less oxygen You will learn the names for common polyatomic ions and how to use them in naming and writing compounds.
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