↑ Estimates vary around the world, but most resources give a figure of 2–4kg of bauxite for each 1kg of alumina. The fundamental core below aluminium's valence shell is usually that with the previous noble gas, While All those on the heavier group thirteen features gallium, indium, thallium, and nihonium also https://knoxmgynb.pointblog.net/sheds-and-garages-for-dummies-84456802