What is the meaning of atomic number 72?

noun

  • A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). atomic number 72. Retrieved September 20, 2026, from http://smartdefine.org/atomic_number_72/definitions/1258350
ChicagoWordNet. 2010. "atomic number 72" http://smartdefine.org/atomic_number_72/definitions/1258350 (accessed September 20, 2026).
HarvardWordNet 2010, atomic number 72, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/atomic_number_72/definitions/1258350>.
MLAWordNet. "atomic number 72" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/atomic_number_72/definitions/1258350>