Talk:Minor actinide

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I think it is Pu 240 (not 241) that limits the potential of bombs made from power reactor Pu. (beprepn) (talk) 14:07, 11 February 2011 (UTC)

Ac, Pa?[edit]

Actinium, Protactinium? They're actinides, but are they minor or major? Rursus dixit. (mbork3!) 06:47, 20 April 2013 (UTC)

Ac, Th, and Pa are neither, as they occur too rarely in nuclear fuel. In fact Bk, Cf, Es, and Fm should also be classified that way, and are sometimes. This makes U and Pu the major actinides, and Np, Am, and Cm the minor actinides. Double sharp (talk) 00:49, 23 September 2014 (UTC)

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