oxidation numbers Flashcards by ayyyyy chunky neck | Brainscape

Q

Group 1 metals

A

Always +1

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Q

Group 2 metals

A

Always +2

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Q

Oxygen

A

Usually -2 Peroxides and F2O (see below)

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Q

Hydrogen

A

Usually +1 Metal hydrides (-1) (see below)

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Q

Fluorine

A

Always -1

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Q

Chlorine

A

usually -1 Compounds with O or F (see below)

The reasons for the exceptions

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