Assigning Oxidation Numbers to Elements in a Chemical Formula


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question 1 of 3

What is an oxidation number?

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1. What are the oxidation numbers of the atoms in the compound CF4?

2. The oxidation numbers of H and K in KH are respectively _____ and _____.

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About This Quiz and Worksheet

This quiz and worksheet will help you check your understanding of oxidation numbers and how to assign them to atoms in molecules. You will be asked to assign oxidation numbers to elements in a chemical formula via practice problems.

Quiz & Worksheet Goals

These assessments will test you on the following:

  • The definition of an oxidation number
  • How to assign an oxidation number
  • The purpose of an oxidation number

Skills Practiced

This quiz and worksheet will test students on the following skills:

  • Making connections - use understanding of the concept of oxidation numbers to identify their function
  • Problem solving - use acquired knowledge to solve oxidation number practice problems
  • Defining key concepts - ensure that you can accurately define the term 'oxidation number'

Additional Learning

Review the corresponding lesson titled Assigning Oxidation Numbers to Elements in a Chemical Formula for further information. The lesson covers the following objectives:

  • Understand the state of oxidation
  • Know the rules for assigning oxidation numbers
  • Examine examples of applying the rules to practice problems