What is the meaning of atomic number 39?

noun

  • A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys.
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APAWordNet. (2010). atomic number 39. Retrieved September 20, 2026, from http://smartdefine.org/atomic_number_39/definitions/1258315
ChicagoWordNet. 2010. "atomic number 39" http://smartdefine.org/atomic_number_39/definitions/1258315 (accessed September 20, 2026).
HarvardWordNet 2010, atomic number 39, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/atomic_number_39/definitions/1258315>.
MLAWordNet. "atomic number 39" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/atomic_number_39/definitions/1258315>