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atomic number 55 meaning and definition

Definition and meaning of atomic number 55 at MeaningMonkey.org. atomic number 55 meaning and definition in the English Dictionary.

ATOMIC NUMBER 55 noun

Definition of atomic number 55 (noun)

  1. a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
Source: Princeton University Wordnet
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