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Definition of Atomic number 72
1. Noun. A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
Lexicographical Neighbors of Atomic Number 72
Literary usage of Atomic number 72
Below you will find example usage of this term as found in modern and/or classical literature:
1. An Introduction to the Principles of Physical Chemistry from the Standpoint by Edward Wight Washburn (1915)
"59) to the Group-3A rod is made (or perhaps Ce itself belongs on this rod) and
a vertical drop from atomic number 59 to atomic number 72 and from atomic ..."
2. Proceedings of the American Philosophical Society Held at Philadelphia for by American Philosophical Society (1922)
"Discovery of the Element of atomic number 72," by Monroe B. Snyder, Director
Emeritus of the Philadelphia Observatory. " The Chemical Analysis of Minerals ..."
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