Chemistry Polyatomic Ions/Charges to Know

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Last updated 3:05 PM on 10/5/26
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19 Terms

1
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Hydroxie

OH-1

2
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Nitrate

NO3-1

3
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Chlorate

ClO3-1

4
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Sulfate

SO4-2

5
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Carbonate

CO3-2

6
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Phosphate

PO4-3

7
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Ammonium

NH4+1

8
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Group 1 (alkali metals)

+1

9
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Group 2 (alkaline earth metals)

+2

10
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Transition metals

groups 3-12, can be many different charges

11
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Group 13

+3

12
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Group 14

0

13
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Group 15

-3

14
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Group 16

-2

15
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Group 17

-1

16
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Group 18 (Noble Gases)

0

17
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Charge of Ag (silver)

+1

18
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Charge of Cd (cadmium)

+2

19
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Charge of Zn (zinc)

+2