Advertisement

Dictionary


actin'ium se"ries



Chem.
the radioactive series that starts with uranium 235 and ends with a stable isotope of lead of mass number 207.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

actinium emanationactino-
See also:

Related Content


Advertisement

Play Hangman

Play Poptropica

Play Same Game

Try Our Math Flashcards