Actinium - 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. Actinium is element number 89, and first of the actinide series.
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2 Open Answer Questions Dig Deeper Learn More Discuss 0 Guided Discussions &
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2 Open Answer Questions Dig Deeper Learn More Discuss 0 Guided Discussions &
0 Open Discussions …And Finally
In 1945, Glenn T. Seaborg proposed the introduction of the actinides to the periodic table. This was the most significant change to Mendeleev’s periodic table.
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