Thorium (version 1) - Periodic Table of Videos
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UPDATE: It is Nihonium... Ununtrium is element number 113 on the Uranium is the "bogeyman of the Lanthanum is the first of the rare earth minerals. Hear a...
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UPDATE: It is Nihonium... https://youtu.be/-HcSEKuYGM8 Ununtrium is element number 113 on the
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Uranium is the "bogeyman of the
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Lanthanum is the first of the rare earth minerals. Hear a mnemonics used by chemists to remember the order of the lanthanide ...