Much like the alkali metals, these things are found in compounds instead of pure type. Alkaline earths are reactive but significantly less so than alkali metals. Group IIA metals are difficult and glossy and typically malleable and ductile. Have you ever wondered what All those numbers on sheet metal mean? https://lukaskewmc.ziblogs.com/28109399/how-shed-can-save-you-time-stress-and-money