Protactinium
From open-dictionary.com - the free dictionary.
Noun
protactinium (Wikipedia:Protactinium)
- A chemical element (symbol Pa) with atomic number 91.
External links
For etymology and more information refer to: http://elements.vanderkrogt.net/elem/pa.html (A lot of the translations were taken from that site with permission from the author)
Translations
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pl:protactinum