mendelevium

mendelevium

a transuranic element artificially produced by bombardment of einsteinium. Symbol: Md; atomic no.: 101; half-life of most stable isotope, ²⁵⁸Md: 60 days (approx.); valency: 2 or 3

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

mendelevium

[‚men·də′lē·vē·əm]

(chemistry)

Synthetic radioactive element, symbol Md, with atomic number 101; made by bombarding lighter elements with light nuclei accelerated in cyclotrons.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.