Thulium, chikamu 69 chetafura ye periodic. Thulium, chinhu chine zvishoma zvemukati zvezvisingawanzo zvinhu zvepasi, zvakanyanya kugarisana nezvimwe zvinhu muGadolinite, Xenotime, dema isingawanzo goridhe ore uye monazite. Thulium uye lanthanide simbi zvinhu zvinogara pamwe chete mune zvakanyanya kuomarara ores mune nat ...
Verenga zvimwe