Table 7-2: Some Polyatomic Ions

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Vocabulary flashcards defining the chemical formulas and charges of the polyatomic ions listed in Table 7-2.

26 Terms

1
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ammonium

NH4+NH_4^+

2
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dimercury*

Hg22+Hg_2^{2+}

3
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acetate

A 1−1- polyatomic ion with the chemical formula CH3COO−CH_3COO^-

4
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bromate

A 1−1- polyatomic ion with the chemical formula BrO3−BrO_3^-

5
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chlorate

A 1−1- polyatomic ion with the chemical formula ClO3−ClO_3^-

6
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chlorite

A 1−1- polyatomic ion with the chemical formula ClO2−ClO_2^-

7
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cyanide

A 1−1- polyatomic ion with the chemical formula CN−CN^-

8
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dihydrogen phosphate

A 1−1- polyatomic ion with the chemical formula H2PO4−H_2PO_4^-

9
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hydrogen carbonate (bicarbonate)

A 1−1- polyatomic ion with the chemical formula HCO3−HCO_3^-

10
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hydrogen sulfate

A 1−1- polyatomic ion with the chemical formula HSO4−HSO_4^-

11
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hydroxide

A 1−1- polyatomic ion with the chemical formula OH−OH^-

12
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hypochlorite

A 1−1- polyatomic ion with the chemical formula ClO−ClO^-

13
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nitrate

A 1−1- polyatomic ion with the chemical formula NO3−NO_3^-

14
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nitrite

A 1−1- polyatomic ion with the chemical formula NO2−NO_2^-

15
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perchlorate

A 1−1- polyatomic ion with the chemical formula ClO4−ClO_4^-

16
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permanganate

A 1−1- polyatomic ion with the chemical formula MnO4−MnO_4^-

17
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carbonate

A 2−2- polyatomic ion with the chemical formula CO32−CO_3^{2-}

18
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chromate

A 2−2- polyatomic ion with the chemical formula CrO42−CrO_4^{2-}

19
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dichromate

A 2−2- polyatomic ion with the chemical formula Cr2O72−Cr_2O_7^{2-}

20
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hydrogen phosphate

A 2−2- polyatomic ion with the chemical formula HPO42−HPO_4^{2-}

21
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oxalate

A 2−2- polyatomic ion with the chemical formula C2O42−C_2O_4^{2-}

22
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peroxide

A 2−2- polyatomic ion with the chemical formula O22−O_2^{2-}

23
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sulfate

A 2−2- polyatomic ion with the chemical formula SO42−SO_4^{2-}

24
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sulfite

A 2−2- polyatomic ion with the chemical formula SO32−SO_3^{2-}

25
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phosphate

A 3−3- polyatomic ion with the chemical formula PO43−PO_4^{3-}

26
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arsenate

A 3−3- polyatomic ion with the chemical formula AsO43−AsO_4^{3-}