What is the meaning of atomic number 55?

noun

  • A soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
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APAWordNet. (2010). atomic number 55. Retrieved September 21, 2026, from http://smartdefine.org/atomic_number_55/definitions/1258332
ChicagoWordNet. 2010. "atomic number 55" http://smartdefine.org/atomic_number_55/definitions/1258332 (accessed September 21, 2026).
HarvardWordNet 2010, atomic number 55, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/atomic_number_55/definitions/1258332>.
MLAWordNet. "atomic number 55" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/atomic_number_55/definitions/1258332>