What is the meaning of atomic number 91?

noun

  • A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
WordNet 3.0 © 2006 by Princeton University
9
 
|15 years ago|616 views|share |citing 
APAWordNet. (2010). atomic number 91. Retrieved September 20, 2026, from http://smartdefine.org/atomic_number_91/definitions/1326459
ChicagoWordNet. 2010. "atomic number 91" http://smartdefine.org/atomic_number_91/definitions/1326459 (accessed September 20, 2026).
HarvardWordNet 2010, atomic number 91, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/atomic_number_91/definitions/1326459>.
MLAWordNet. "atomic number 91" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/atomic_number_91/definitions/1326459>