protoactinium (English)

Voice
Listen
Votes
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0
protoactinium
0
0

protoactinium

protoactinium

Noun

a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Synonyms: