Protactinium Summary

Everything you need to understand or teach Protactinium.

  • 3 Encyclopedia Articles

Study Pack

The Protactinium Study Pack contains:

Encyclopedia Articles (3)

271 words, approx. 1 pages
Protactinium Protactinium is the next-to-last heaviest element, just preceding uranium (atomic number 92) in the periodic table. Protactinium's atomic number is 91, its atomic mass is 231.03588, and i... Read more
344 words, approx. 2 pages
Protactinium Protactinium is an actinide series element denoted by the atomic symbol, Pa. It has an atomic number of 91 and the average atomic weight of its isotopes is 231.03588. It is a metallic sol... Read more
1,426 words, approx. 5 pages
Protactinium Symbol Pa Atomic Number 91 Atomic Mass 231.03588 Family Actinide Pronunciation pro-tack-TIN-ee-um Overview Protactinium is one of the rarest elements on Earth. It is formed when uranium ... Read more
Follow Us on Facebook