Polyatomic Ions

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Polyatomic ion (space) charge

Chemistry

Atoms

AP Chemistry

Unit 1: Atomic Structure and Properties

polyatomic ions

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35 Terms

1
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Chromate

CrO4 2-

2
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Perchlorate

ClO4 -

3
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Chlorite

ClO2 -

4
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Hypochlorite

ClO -

5
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Dichromate

Cr2O7 2-

6
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Cyanide

CN -

7
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Dihydrogen Phosphate

H2PO4 -

8
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Hydrogen carbonate (bicarbonate)

HCO3 -

9
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Hydride

H -

10
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Hydrogen Phosphate

HPO4 2-

11
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Hydrogen Sulfate

HSO4 -

12
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Thiocyanate

SCN - or NCS -

13
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Nitrate

NO3 -

14
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Nitrite

NO2 -

15
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Peroxide

O2 2-

16
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Hydroxide

OH -

17
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Oxalate

C2O4 2-

18
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Permanganate

MnO4 -

19
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Phosphate

PO4 3-

20
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Silver Ion

Ag +

21
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Sulfate

SO4 2-

22
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Sulfite

SO3 2-

23
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Zinc Ion

Zn 2+

24
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Naming monatomic cations

Element name Ion

25
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Naming monatomic anions

End in -ide

26
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Acetate

C2H3O2 - or CH3COO -

27
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Group 3A

3+

28
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Ammonium

NH4 +

29
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Group 2A

2+

30
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Group 5A

3-

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Group 6A

2-

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Group 7A

1-

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Carbonate

CO3 2-

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Group 1A

1+

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Chlorate

ClO3 -