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You can easily cut lanthanum, a soft metal, with a knife. Viewers learn about the properties and possible applications of the 57th element on the periodic table during the video.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Teach two different mnemonics for remembering the lanthanide series
- Discuss in more depth why it is considered a rare earth metal since it's not all that rare
Classroom Considerations
- Avoid displaying the comment section if at all possible when sharing the video
- Part of a larger series on each of the elements
- This video is hosted on YouTube
Pros
- Requires very little class time
- Includes subtitles in English and Portuguese for visual learners
Cons
- None