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Most common oxidation state of lanthanoi...

Most common oxidation state of lanthanoids is`ul(+5)`

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To determine the most common oxidation state of lanthanoids, we can follow these steps: ### Step 1: Understand the Lanthanoid Series The lanthanoid series consists of 15 elements from lanthanum (La) to lutetium (Lu), with atomic numbers 57 to 71. These elements are known for their similar chemical properties. **Hint:** Remember that the lanthanoids are f-block elements, and they have a unique electron configuration. ### Step 2: Analyze the Electronic Configuration ...
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