In the Vinony graph
Vinony files it under Infobox element templates by element, Infobox templates and Lua-based templates.
Its subject is documented across 20 Wikipedia language editions.
Categories
Infobox element templates by elementInfobox templatesLua-based templatesNavboxes using background coloursNavigational boxes without horizontal listsTemplates that generate named referencesTemplates that generate short descriptions for chemical elementsTemplates using TemplateDataTemplates using TemplateStyles