What is the meaning of atomic number 99?

noun

  • A radioactive transuranic element produced by bombarding plutonium with neutrons.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). atomic number 99. Retrieved September 23, 2026, from http://smartdefine.org/atomic_number_99/definitions/1258376
ChicagoWordNet. 2010. "atomic number 99" http://smartdefine.org/atomic_number_99/definitions/1258376 (accessed September 23, 2026).
HarvardWordNet 2010, atomic number 99, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/atomic_number_99/definitions/1258376>.
MLAWordNet. "atomic number 99" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/atomic_number_99/definitions/1258376>