planetary electron

planetary electron

[′plan·ə‚ter·ē i′lek‚trän]
(atomic physics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A hydrogen atom had one planetary electron, a uranium atom had ninety-two, and the other elements had numbers in between.

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