Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Elements > Actinoid Series Elements > Einsteinium Terms and Definitions




Einsteinium

Medical Definition: Einsteinium. A man-made radioactive actinide with atomic symbol Es, atomic number 99, and atomic weight 252. Its known isotopes range in mass number from 243-246. Its valence can be +2 or +3. Einsteinium was originally discovered in the debris from a thermonuclear explosion in 1952.
Guide Notes: man-made radioactive element; IM
CAS Type 1 Name: CAS Number: 7429-92-7

Einsteinium Medical Definitions and Terms

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