An pagkakaiba han mga rebisyon han "Actinido"

An '''actinido''' in naglalakip han 15 nga puthawon nga elemento kimikal nga may ihap atomica tikang 89 kutob 103 tikang [[actinium]] pakadto ha [[lawrencium]].<ref name="Gray" >{{cite book|author=Theodore Gray|title=The Elements: A Visual Exploration of Every Known Atom in the Universe|url=https://archive.org/details/elementsvisualex0000gray|year=2009|publisher=Black Dog & Leventhal Publishers|location=New York|isbn=978-1-57912-814-2|page=[https://archive.org/details/elementsvisualex0000gray/page/240 240]}}</ref><ref>[http://www.britannica.com/EBchecked/topic/4354/actinoid-element Actinide element], Encyclopædia Britannica on-line</ref><ref>Although "actinoid" (rather than "actinide") means "actinium-like" and therefore should exclude actinium, that element is usually included in the series.</ref><ref>{{cite book|author=Neil G. Connelly ''et al.''|title=Nomenclature of Inorganic Chemistry|publisher=[[Royal Society of Chemistry]]|location=London|year=2005|url=http://books.google.com/books?id=w1Kf1CakyZIC&pg=PA52|page=52|chapter=Elements|isbn=0-85404-438-8}}</ref>