1123581321 Posted May 21, 2011 Share Posted May 21, 2011 I was wondering how you determine the number of neutrons in an atom Link to comment Share on other sites More sharing options...
swansont Posted May 21, 2011 Share Posted May 21, 2011 [math]_Z^AX[/math] If you know Z and A, the number of neutrons is A-Z. A is the approximate mass in atomic units, since each nucleon contributes about 1 amu to the mass, and Z is determined by the element, so you can look that up. Link to comment Share on other sites More sharing options...
1123581321 Posted May 21, 2011 Author Share Posted May 21, 2011 thanks Link to comment Share on other sites More sharing options...
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