Oxidation State Worksheet
A Grade 10 Chemistry worksheet focusing on understanding and calculating oxidation states of elements in compounds and polyatomic ions.
Includes
Standards
Topics
Oxidation State Practice
Name:
Date:
Score:
Read each question carefully and provide the best answer. Show your work where calculation is required. Remember the rules for assigning oxidation states.
1. What is the oxidation state of oxygen in most compounds?
+1
-1
+2
-2
2. What is the oxidation state of a free element?
+1
-1
0
Varies
3. The sum of the oxidation states of all atoms in a neutral compound is always .
4. In peroxides, oxygen has an oxidation state of .
5. Calculate the oxidation state of sulfur in H₂SO₄. Show your work.
6. Determine the oxidation state of chromium in the dichromate ion, Cr₂O₇²⁻. Show your work.
7. Oxidation is the loss of electrons, and the oxidation state of an element decreases during oxidation.
True
False
8. In ionic compounds, the oxidation state of an ion is equal to its charge.
True
False
Related Worksheets
Ions and Formula Units Worksheet
Explore the formation of ions, ionic bonds, and the naming and writing of chemical formulas for ionic compounds at a Grade 10 level.
Actual Yield in Chemical Reactions
Explore the concept of actual yield, theoretical yield, and percentage yield in chemical reactions with this Grade 10 chemistry worksheet.
Exploring Salts: Properties and Reactions
This worksheet covers the properties, formation, and uses of various salts, including their role in everyday life and chemical reactions.
Relative Mass Worksheet
Explore the concepts of relative atomic mass, relative molecular mass, and isotopic abundance in this Grade 10 chemistry worksheet.
Solubility Curves Worksheet
This worksheet explores solubility curves, their interpretation, and how they represent the relationship between temperature and the solubility of substances.
Predicting Products of Chemical Reactions
Grade 10 Science worksheet focusing on predicting the products of various types of chemical reactions, including synthesis, decomposition, single displacement, double displacement, and combustion.
Band of Stability Worksheet
Explore the concept of the band of stability, nuclear forces, and radioactive decay with this Grade 10 chemistry worksheet.
Electron Dot Diagrams Worksheet
A Grade 10 Science worksheet covering electron dot diagrams, valence electrons, and their importance in chemical bonding.