Rules Of Oxidation-Reduction Reactions And Electrochemistry Flashcards

1
Q

Rule 2: the oxidation number of a monatomic (one-atom) ion is…

A

Equal to its charge.

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2
Q

Rule 3: hydrogen has an oxidation number of…

A

+1 in most of its compounds.

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3
Q

Rule 4: oxygen is assigned an oxidation number of…

A

-2 in most of its compounds.

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4
Q

Rule 5: halogens in their compounds are assigned an oxidation number of…

A

-1 unless they are bonded to a more electronegative halogen or to oxygen.

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5
Q

Rule 6: alkali metals (group 1), and alkaline earth metals (group 2), and aluminum (group 13) in their positive compounds have positive…

A

Oxidation numbers equal to the number of valence electrons in the neutral atom.

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6
Q

Rule 7: the algebraic sum of the oxidation numbers of all atoms in a molecule or polyatomic ion must equal…

A

The charge on that particle.

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7
Q

Rule 1: zero is the number of any…

A

Element in its uncombined state.

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