promethium English

Meaning promethium meaning

What does promethium mean?

Definitions in simple English

promethium Noun

— Promethium is a radioactive element with an atomic number of 61 and symbol Pm.

promethium

— noun a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium

Synonyms promethium synonyms

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promethium English » English

atomic number 61

Pm