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%I #3 Jan 21 2019 19:01:55
%S 1,3,5,6,8,9,11,13,14,15,16,17,19,20,21,22,23,24,26,27,28,29,31,32,33,
%T 34,35,37,38,39,40,41,42,43,44,45,46,47,49,50,51,52,53,55,56,57,72,73,
%U 74,75,76,77,78,79,81,82,83,84,85,87
%N Electron affinity numbers (atomic numbers corresponding to the electron affinity).
%C Electron affinity: the energy involved when an atom or ion gains an electron. Electron affinity increases up and to the right of the periodic table.
%p with(ScientificConstants): GetElements();GetElements(electronaffinity,output=atomicnumbers);
%K nonn
%O 0,2
%A _Jorge Coveiro_, Dec 24 2004; revised Dec 26 2004
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