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Oxidation Numbers Worksheet by Olivia Hunter - Issuu - Free Printable

Oxidation Numbers Worksheet by Olivia Hunter - Issuu

Educational worksheet: Oxidation Numbers Worksheet by Olivia Hunter - Issuu. Download and print for classroom or home learning activities.

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1. a. SO: S=+2, O=-2; SO₂: S=+4, O=-2; SO₃: S=+6, O=-2; SO₃²⁻: S=+4, O=-2; SO₄²⁻: S=+6, O=-2
b. ClO₂: Cl=+4, O=-2; ClO⁻: Cl=+1, O=-2; ClO₂⁻: Cl=+3, O=-2; ClO₃⁻: Cl=+5, O=-2; ClO₄⁻: Cl=+7, O=-2
c. N₂O: N=+1, O=-2; NO: N=+2, O=-2; NO₂: N=+4, O=-2; N₂O₄: N=+4, O=-2; N₂O₅: N=+5, O=-2; NO₃⁻: N=+5, O=-2

2. a. H₂S: S=-2
b. S: S=0
c. H₂SO₄: S=+6
d. S²⁻: S=-2
e. HS⁻: S=-2
f. SO₂: S=+4
g. SO₃: S=+6

3. a. HPO₃: P=+5
b. H₃PO₂: P=+1
c. H₃PO₃: P=+3
d. H₃PO₄: P=+5
e. H₄P₂O₇: P=+5
f. H₃P₂O₅: P=+3

4. a. Cr₂O₃: Cr=+3
b. PtCl₆²⁻: Pt=+4
c. CaI₂: I=-1
d. SnF₂: Sn=+2
e. Al₂O₃: Al=+3
f. ClF₃: Cl=+3
g. HAsO₃: As=+5
h. SbF₅: Sb=+5
i. TiO₂: Ti=+4
j. P₄: P=0
k. MnO₄²⁻: Mn=+6
l. MnO₄⁻: Mn=+7
m. PtCl₄²⁻: Pt=+2
n. Si: Si=0
o. O₂: O=0
Parent Tip: Review the logic above to help your child master the concept of oxidation number practice worksheet.
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