Promethium Summary

Everything you need to understand or teach Promethium. Products may contain comprehensive summaries, analysis, notes, articles, essays, lesson plans and more. See below for details on what is included.

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Encyclopedia Articles (3)

Prometheum

350 words, approx. 2 pages

Prometheum Prometheum is one of the rare earth elements found in Row 6 of the periodic table. Elements in this group are also known as the lanthanides after the first element in that group, lanthanum.... Read more

Promethium

409 words, approx. 2 pages

Promethium Promethium is a lanthanide series element denoted by the atomic symbol Pm. It has an atomic number of 61 and anatomic weight of 146. Promethium is a silvery-white metal with a melting point... Read more

Promethium

1,057 words, approx. 4 pages

Promethium Symbol Pm Atomic Number 61 Atomic Mass 144.9128 Family Lanthanide (Rare Earth Metal) Pronunciation pruh-MEE-thee-um Overview Promethium is one of the most fascinating of all chemical eleme... Read more