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atom'ic num'ber




the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Abbr.: at. no.; Symbol: Z Also called proton number.

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

Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/atomic-number.html on line 90 atomic mass unit Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/atomic-number.html on line 98 atomic pile
See also:
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/atomic-number.html on line 109 atomic number (Thesaurus)
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/atomic-number.html on line 111 atomic number (Encyclopedia)

 

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