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Polyatomic Ions 2 Flashcards

(63 cards)

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1
Q

What is the chemical formula for ammonium?

A

NH4+

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2
Q

What is the charge of hydronium ion?

A

+1

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3
Q

What is the formula for hydroxide?

A

OH-

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4
Q

Which ion has the formula NO3-?

A

Nitrate

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5
Q

What is the charge of permanganate ion?

A

-1

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6
Q

What is the chemical formula for thiocyanate?

A

SCN-

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7
Q

What is the formula for hydrogen sulfate?

A

HSO4-

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8
Q

True or False: Ammonium has a negative charge.

A

False

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9
Q

Fill in the blank: The chemical formula for hydroxide is _____

A

OH-

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10
Q

Which ion is represented by the formula MnO4-?

A

Permanganate

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11
Q

What is the charge of the nitrate ion?

A

-1

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12
Q

What is the formula for the thiocyanate ion?

A

SCN-

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13
Q

What is the charge of hydrogen sulfate ion?

A

-1

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14
Q

Name the ion with the formula NH4+.

A

Ammonium

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15
Q

Fill in the blank: The chemical formula for permanganate is _____

A

MnO4-

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16
Q

What is the primary function of hydroxide ions in solution?

A

To act as a base

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17
Q

What is the charge of the thiocyanate ion?

A

-1

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18
Q

Which ion is formed when water gains a proton?

A

Hydronium (H3O+)

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19
Q

What is the formula for the sulfate ion?

A

SO4^2-

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20
Q

True or False: Nitrate is a cation.

A

False

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21
Q

What is the chemical formula for hydrogen sulfate?

A

HSO4-

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22
Q

What type of ion is ammonium?

A

Cation

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23
Q

Fill in the blank: The chemical formula for nitrate is _____

A

NO3-

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24
Q

What is the charge of the hydroxide ion?

A

-1

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25
What is the formula for permanganate ion?
MnO4-
26
True or False: The sulfate ion has a charge of -2.
True
27
Which ion is represented by the formula H3O+?
Hydronium
28
What do you call the ion with the formula SCN-?
Thiocyanate
29
What is the charge of the ammonium ion?
+1
30
What is the common name for the ion HSO4-?
Hydrogen sulfate
31
Which ion has the formula NO3-?
Nitrate
32
What is the formula for the anion derived from sulfuric acid?
SO4^2-
33
What is the formula for hydrogen sulfate?
HSO4-
34
What is the charge of the ethanoate ion?
-1
35
What is the formula for sulfate?
SO4^2-
36
True or False: The carbonate ion (CO3) has a charge of 2-.
True
37
What is the formula for carbonate?
CO3^2-
38
What is the charge of dichromate?
-2
39
What is the formula for dichromate?
Cr2O7^2-
40
What is the formula for phosphate?
PO4^3-
41
Fill in the blank: The formula for hydrogen sulfite is _____
HSO3-
42
What is the charge of sulfate?
-2
43
True or False: Ethanoate is also known as acetate.
True
44
What is the formula for the ethanoate ion?
CH3OO 2-
45
Which ion has the formula Cr2O7^2-?
Dichromate
46
What is the charge of the phosphate ion?
-3
47
What is the formula for the carbonate ion?
CO3^2-
48
Which of the following has a -1 charge: ethanoate, sulfate, or phosphate?
Ethanoate
49
Fill in the blank: The formula for sulfate is _____
SO4^2-
50
What is the charge of the hydrogen sulfite ion?
-1
51
True or False: The dichromate ion is a polyatomic ion.
True
52
What is the formula for the sulfate ion?
SO4^2-
53
What ion has a charge of -2 and contains carbon and oxygen?
Carbonate
54
What is the formula for the hydrogen sulfite ion?
HSO3-
55
Which ion has the formula PO4^3-?
Phosphate
56
What is the charge of the carbonate ion?
2-
57
Fill in the blank: The formula for dichromate is _____
Cr2O7^2-
58
Copper (II) is ____(colour)
Blue/greeny
59
Iron (II) is ____(colour)
light green
60
Iron (III) is ____(colour)
orange/brown
61
Chromium is _____(colour)
green
62
Permanganate is _____(colour)
purple
63
Dichromate is _____(colour)
orange

Chemistry (4 decks)

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