Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Saboda da wuya ya bayyana a cikin babban taro, an gano germanium a cikin tarihin ilmin sunadarai. Germanium yana kusa da na hamsin a cikin wadatar abubuwa a cikin ɓawon burodi na duniya. A shekara ta 1869, Dmitri Mendeleev ya yi hasashen wanzuwarsa da wasu kaddarorinsa daga matsayinsa a kan teburinsa na lokaci-lokaci, kuma ya kira kashi ekasilicon. Kusan shekaru ashirin bayan haka, a shekara ta 1886, Clemens Winkler ya gano sabon sinadarin tare da azurfa da sulfur, a cikin wani ƙarfe mai suna argyrodite. Kodayake sabon abu ya yi kama da arsenic da antimony a cikin bayyanar, haɗuwa da haɗuwa a cikin mahadi sun yarda da hasashen Mendeleev don dangi na silicon. Winkler ya kira wannan kashi bayan kasarsa, Jamus. A yau, ana hako germanium da farko daga sphalerite (mahimmin ma'adinan zinc), kodayake ana kuma dawo da germanium ta hanyar kasuwanci daga azurfa, gubar, da kuma jan ƙarfe.  Tambaya: A wace shekara ce Mendeleev ya annabta wanzuwar ekasilicon?
Shekara ta 1869