Oxidation Number Rules Flashcards

1
Q

Fluorine (F)

A

Always -1

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2
Q

H (Hydrogen)

A

Always +1 except as Hydride (H2O2)

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3
Q

Group IA

A

Always +1

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4
Q

Group IIA

A

Always +2

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5
Q

Oxidation # for monatomic ion

A

Equals its charge

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6
Q

Oxidation # for uncombined elements

A

0

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7
Q

Sum of oxidation #s for neutral compound

A

0

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