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The genius of Mendeleev’s periodic table

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The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar properties before. So why is Mendeelev’s periodic table the one that has endured? Lou Serico explains via Ekaaluminium, an element whose existence Mendeelev predicted decades before it was discovered.

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About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Director Biljana Labovic
  • Artist Celeste Lai, Nick Sumida
  • Animator Franz Palomares
  • Educator Lou Serico
  • Narrator Lou Serico
Additional Resources for you to Explore
Tables charting the chemical elements have been around since the 19th century, but this modern version has a short video about each one: http://www.periodicvideos.com/
This interactive periodic table shows a picture that represents each element. Click on the photos to learn more: http://periodictable.com/
This interactive periodic table allows you to explore each of the elements: http://www.webelements.com/
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Create and share a new lesson based on this one.

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Director Biljana Labovic
  • Artist Celeste Lai, Nick Sumida
  • Animator Franz Palomares
  • Educator Lou Serico
  • Narrator Lou Serico