A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
Synonyms
Examples for "protactinium "
Examples for "protactinium "
1 A 231Pa reference material has been characterized for amount of protactinium .
2 Scuffles soon arose over who'd first bagged hafnium, protactinium , and technetium.
3 This addition of a proton shifts it to the next element on the table, protactinium - 233 .
4 They rechristened it protactinium , or "parent of actinium," the element into which it (eventually) decayed.
5 This is also unstable, so the protactinium spits out another electron and transforms into what you started with, uranium-233.
1 I thought that the house we were going to was Pa - boh 's house.
2 At Ban Pa In we left the launch to take the train.
3 This was reportedly the second time Pa Michael Obi had been abducted.
4 Poor old Pa was the shining example of masculinity in her eyes.
5 Listen to that, Pa , a post office in four miles of us.
Grammar, pronunciation and more
Translations for atomic number 91