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REDOX Flashcards

(18 cards)

1
Q

What are the rules for oxidation numbers for neutral elements?

A

They’re always zero.

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2
Q

What is reduction?

A

Gaining of electrons

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3
Q

What is the loss of electrons called?

A

Oxidation

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4
Q

What is the gaining of electrons called?

A

Reduction

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5
Q

What is oxidation?

A

The loss of electrons.

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6
Q

What do oxidation numbers always have to add up to?

A

The charge of the compound

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7
Q

What is the oxidation number of Oxygen usually?

A

-2

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8
Q

What is usually the oxidation number of monoatomic ions?

A

The charge of the ion

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9
Q

What’s the oxidation number of Cl-?

A

-1

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10
Q

Is there a set oxidation number for transition metals?

A

No. Each transition element has multiple oxidation numbers depending on what they’re reacting with.

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11
Q

In terms of oxidation numbers, what is reduction?

A

Decrease of oxidation number.

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12
Q

In terms of oxidation number, what is oxidation?

A

Increase of oxidation number.

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13
Q

What is always the oxidation number for fluorine?

A

-1

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14
Q

What’s chlorine, bromine and iodine’s usual oxidation number?

A

-1

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15
Q

What is the exception for the oxidation numbers of Chlorine, bromine and iodine?

A

When in a compound with oxygen, their number changes.

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16
Q

What is always the oxidation number for neutral compounds?

17
Q

What is a general rule for periodic table groups charges and oxidation number?

A

The charges of an element in a certain group is a lot of the time also the oxidation number for elements.

18
Q

What’s the oxidation number for Hydrogen usually?