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Lanthanum - Periodic Table of Videos

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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about element number 57. Lanthanum is the first of the rare earth minerals. Hear a mnemonic used by chemists to remember the order of the lanthanide series.

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Additional Resources for you to Explore
For all the basics about lanthanum, check out the Visual Elements Periodic Table.
For amazing photos and facts about lanthanum, check out The Elements by Theodore Gray.
All lanthanides are chemically almost identical. Also, they are found in the same ores, which is what made them so difficult to separate by traditional methods available to chemists in the early nineteenth century.

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