Oxidation Numbers Flashcards

1
Q

O.N. = +1 in all compounds

A

Group 1A

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2
Q

O.N. = 2+ for all compounds

A

Group 2A

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3
Q

O.N. = +1 in combination with all nonmetals
O.N. = -1 in combination with all metals and boron

A

Hydrogen

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4
Q

O.N. = -1 in all compounds

A

Flourine

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5
Q

O.N. = -1 in all peroxides
O.N. = -2 in all other compounds (except with F)

A

Oxygen

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6
Q

O.N. = -1 in combination with metals, nonmetals (except O), and other halogens lower in the group

A

Group 7A

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