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Gen Chemistry 1 > Polyatomic Ions > Flashcards

Polyatomic Ions Flashcards

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1
Q

What is the formula for a hydrogen ion?

A

OH-

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2
Q

OH-

A

Hydrogen / Hydroxide

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3
Q

What are the formulas for the nitrogen ions?

A
  1. NH4+
  2. NO3-
  3. NO2-
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4
Q

Ammonium

A

NH4+

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5
Q

NH4+

A

Ammonium

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6
Q

Nitrate

A

NO3-

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7
Q

NO3-

A

Nitrate

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8
Q

Nitrite

A

NO2-

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9
Q

NO2-

A

Nitrite

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10
Q

What are the formulas for the chlorine ions?

A
  1. ClO4-
  2. ClO3-
  3. ClO2-
  4. ClO-
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11
Q

Perchlorate

A

ClO4-

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12
Q

ClO4-

A

Perchlorate

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13
Q

Chlorate

A

ClO3-

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14
Q

ClO3-

A

Chlorate

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15
Q

Chlorite

A

ClO2-

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16
Q

ClO2-

A

Chlorite

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17
Q

Hypochlorite

A

ClO-

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18
Q

What are the formulas for the carbon ions?

A
  1. CO3^2-
  2. HCO3-
    3.CN-
  3. C2 H3 O2-
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19
Q

Carbonate

A

CO3^2-

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20
Q

CO3^2-

A

Carbonate

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21
Q

Hydrogen Carbonate (Bi-carbonate)

A

HCO3-

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22
Q

HCO3-

A

Hydrogen Carbonate (Bi-carbonate)

23
Q

Cyanide

A

CN-

24
Q

CN-

A

Cyanide

25
Q

Acetate

A

C2 H3 O2-

26
Q

C2 H3 O2-

A

Acetate

27
Q

What are the formulas for the sulfur ions?

A
  1. SO4^2-
  2. HSO4-
    3.SO3^2-
  3. HSO3-
28
Q

Sulfate

A

SO4^2-

29
Q

SO4^2-

A

Sulfate

30
Q

Hydrogen Sulfate (Bi-Sulfate)

A

HSO4-

31
Q

HSO4-

A

Hydrogen Sulfate (Bi-Sulfate)

32
Q

Sulfite

A

SO3^2-

33
Q

SO3^2-

A

Sulfite

34
Q

Hydrogen Sulfite (Bi-Sulfite)

A

HSO3-

35
Q

HSO3-

A

Hydrogen Sulfite (Bi-Sulfite)

36
Q

What are the formulas for the phosphorus ions?

A
  1. PO4^3-
  2. HPO4^2-
    3.H2 PO4 -
  3. PO3^3-
37
Q

Phosphate

A

PO4^3-

38
Q

PO4^3-

A

Phosphate

39
Q

Hydrogen phosphate

A

HPO4^2-

40
Q

HPO4^2-

A

Hydrogen Phosphate

41
Q

Di hydrogen Phosphate

A

H2 PO4 -

42
Q

H2 PO4 -

A

Di hydrogen Phosphate

43
Q

Phosphite

A

PO3^3-

44
Q

PO3^3-

A

Phosphite

45
Q

Polyatomic Ions

A

Groups of ions with an overall charge that behaves as one unit.

46
Q

How do you complete the criss cross method for writing an ionic compound formula?

A
  1. Write the charges on both elements.
  2. Switch the numbers.
  3. Divide the numbers by 2.
  4. Write the new formula.
47
Q

Are polyatomic ions usually metals or nonmetals?

A

Nonmetals

48
Q

What charges do polyatomic ions usually have?

A

1-, 2-, 3-

49
Q

What is the one polyatomic ion that does not have a negative charge?

A

Ammonium (NH4+)

50
Q

What do the most common polyatomic ions end in?

A

-ate

51
Q

What do the polyatomic ions that have one less oxygen end in?

A

-ite

52
Q

What two ions are the exceptions to the polyatomic ion rules?

A
  1. Cyanide (CN-)
  2. Hydroxide (OH-)
53
Q

When you add a H+ to a polyatomic ion, what do you add to its charge?

A

1+

Gen Chemistry 1 (10 decks)

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