Oxidation numbers

Spades

100

Determine the oxidation number of each element.

NH₃

-3;+1

100

Determine the oxidation number of each element.

S₈

0

100

Determine the oxidation number of each element.

MnO₄^-

+7;-2

200

Determine the oxidation number of each element.

H₂SO₃

+1；+4；-2

300

Determine the oxidation number of each element.

K₂Cr₂O₇

+1;+6;-2

Hearts

100

Determine the oxidation number of each element.

HCl

+1,-1

100

Determine the oxidation number of each element.

Fe₂O₃

+3,-2

100

Determine the oxidation number of each element.

ClO₄^-

+7;-2

200

Determine the oxidation number of each element.

KIO₃

+1；+5；-2

300

Determine the oxidation number of each element.

NH₄NO₃

-3;+1;+5;-2

Diamonds

100

Determine the oxidation number of each element.

SO₃^2-

+4,-2

100

Determine the oxidation number of each element.

H₂S

+1;-2

100

Determine the oxidation number of each element.

PO₄^3-

+5;-2

200

Determine the oxidation number of each element.

CaCO₃

+2;+4;-2

300

Determine the oxidation number of each element.

(NH₄)₃PO₄

-3;+1;+5;-2

Clubs

100

Determine the oxidation number of each element.

MnO₂

+4, -2

100

Determine the oxidation number of each element.

CO₂

+4;-2

100

Determine the oxidation number of each element.

SO₄^2-

+6;-2

200

Determine the oxidation number of each element.

CuSO₄

+2;+6;-2

300

Determine the oxidation number of each element.

KMnO₄

+1;+7;-2