Difference between revisions of "Mass number"
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| − | The sum of the number of | + | The '''mass number''' is the sum of the number of [[neutron]]s and [[proton]]s in the [[nucleus]] of an [[atom]].<ref>Wile, Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000.</ref> The atomic number is determined by the [[isotope|isotopic]] atomic weight. |
==See also== | ==See also== | ||
Revision as of 02:07, September 21, 2007
The mass number is the sum of the number of neutrons and protons in the nucleus of an atom.[1] The atomic number is determined by the isotopic atomic weight.
See also
References
- ↑ Wile, Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000.
