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What is the common oxidation state of Group 17 elements?

Practice Questions

Q1
What is the common oxidation state of Group 17 elements?
  1. -1
  2. 0
  3. +1
  4. +2

Questions & Step-by-Step Solutions

What is the common oxidation state of Group 17 elements?
  • Step 1: Identify Group 17 elements, which are also called halogens. These include fluorine, chlorine, bromine, iodine, and astatine.
  • Step 2: Understand what oxidation state means. It refers to the charge an atom would have if all bonds were ionic.
  • Step 3: Recognize that halogens have 7 electrons in their outer shell and need 1 more electron to complete it.
  • Step 4: When halogens gain 1 electron, they achieve a full outer shell and acquire a charge of -1.
  • Step 5: Conclude that the common oxidation state of Group 17 elements is -1.
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