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AP Chemistry > Polyatomic Ions > Flashcards

Polyatomic Ions Flashcards

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1
Q

Ammonium

A

NH4

Charge: +1

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2
Q

Mercury (I)

A

Hg2

Charge: +2

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3
Q

Mercury (II)

A

Hg

Charge: +2

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4
Q

Acetate

A

C2H3O2

Charge: -1

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5
Q

Perchlorate

A

ClO4

Charge: -1

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6
Q

Chlorate

A

ClO3

Charge: -1

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7
Q

Chlorite

A

ClO2

Charge: -1

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8
Q

Hypochlorite

A

ClO

Charge: -1

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9
Q

Cyanide

A

CN

Charge: -1

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10
Q

Hydroxide

A

OH

Charge: -1

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11
Q

Nitrate

A

NO3

Charge: -1

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12
Q

Nitrite

A

NO2

Charge: -1

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13
Q

Permangate

A

MnO4

Charge: -1

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14
Q

Hydrogen Carbonate

A

HCO3

Charge: -1

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15
Q

Carbonate

A

CO3

Charge: -2

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16
Q

Chromate

A

CrO4

Charge: -2

17
Q

Dichromate

A

Cr2O7

Charge: -2

18
Q

Oxalate

A

C2O4

Charge: -2

19
Q

Peroxide

A

O2

Charge: -2

20
Q

Sulfate

A

SO4

Charge: -2

21
Q

Sulfite

A

SO3

Charge: -2

22
Q

Phosphate

A

PO4

Charge: -3

23
Q

Phosphite

A

PO3

Charge: -3

24
Q

Slivka’s Square Elements

A

3x3 beginning with Si, P, S

25
Q

Slivka’s Square Polyatomic Ions rules

A
  1. All of these elements’ are accompanied by 4 Os as -ate ions, and 3 Os as -ite ions
  2. Their charges are determined by the column their in as oxidation states
  3. All other elements outside of the square have 3 Os as -ate ions, and 2 Os as -ite ions
26
Q

Exceptions to Slivka’s Square

A

Nitrate: NO3 Charge: -1
Carbonate: CO3 Charge: -2

27
Q

Charges on the Periodic Table

A

+1, +2, +3, …, -3, -2, -1

28
Q

per- prefix

A

the polyatomic ion has an extra oxygen atom than the -ate ion

29
Q

hypo- prefix

A

the polyatomic ion has two fewer oxygen atoms than the -ate ion, and one fewer than the -ite ion

AP Chemistry (8 decks)

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