https://www.vetnurse.co.uk/f/clinical-discussions/20590/2nd-year-svn-radiography-revision-help I&#39;m using Suzanne Easton&#39;s Veterinary Radiography Workbook for Students to revise for an upcoming exam and am going over electron shells at the moment - can anybody clarify the maximum number of electrons in shell no.3 (M) as the book reckons 16, I founden-USTelligent Community 10https://www.vetnurse.co.uk/thread/140009?ContentTypeID=1Tue, 19 Feb 2013 23:06:50 GMT1a0763ec-3885-442c-853e-6cef656dfec5:0c2c6925-8989-427a-803d-1bf14524d463Tanya Traill<p>Are you doing paper 3? If so there are plenty of other topics I would not worry so much about this question. I,m a third year student and have passed this paper and nothing came up relating to this question. Have you got the multiple choice question books. They are really good. </p><div style="clear:both;"></div>