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20 Cards in this Set
- Front
- Back
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Polyatomic Ion
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an ion consisting of two or more atoms chemically bonded together and carrying a net electric charge.
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Oxoanions
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anions consisting of oxygen and another element.
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Oxoanion Suffix
-ate -ite |
These suffixes denote the relative number of oxygen atoms in the oxoanion of a given characteristic element.
-ite : lesser number of oxygen atoms. -ate : greater number of oxygen atoms |
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Oxoanion Prefix
-hypo -per |
Prefixes are used when there are more than two oxyanions of a given characteristic element.
Four oxoanions (lesser to greater): hypo--ite --ite --ate per--ate |
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SO₃²⁻
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sulfite
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SO₄²⁻
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sulfate
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NO₂⁻
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nitrite
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NO₃⁻
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nitrate
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CO₃²⁻
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carbonate
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PO₃³⁻
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phosphite
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PO₄³⁻
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phosphate
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ClO⁻
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hypochlorite
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ClO₂⁻
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chlorite
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ClO₃⁻
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chlorate
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ClO₄⁻
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perchlorate
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MnO₄⁻
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permanganate
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SeO₄²⁻
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selenate
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CrO₄²⁻
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chromate
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AsO₄³⁻
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arsenate
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SiO₃²⁻
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silicate
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