protactinium

listen to the pronunciation of protactinium
İngilizce - İngilizce
a chemical element (symbol Pa) with atomic number 91
{i} radioactive metallic element
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
eka-protactinium
Unbitrium (Ubt), an unsynthesized chemical element with atomic number 123
eka-protactinium
Unquadunium (Uqu), an unsynthesized chemical element with atomic number 141
protactinium.
brevium
protactinium