Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Nickel wani sinadarin sinadarai ne tare da alama Ni da lambar atomatik 28. Yana da azurfa-fari mai kyalli tare da ɗan zinariya. Nickel yana cikin ƙarfe na miƙa mulki kuma yana da wuya da ductile. Pure nickel, foda don kara girman yankin mai amsawa, yana nuna mahimmancin aikin sinadarai, amma manyan abubuwa suna da jinkirin amsawa tare da iska a ƙarƙashin daidaitattun yanayi saboda wani layin oxide ya kafa a farfajiyar kuma yana hana ƙarin lalata (passivation). Duk da haka, ana samun nickel na asali a cikin ɓawon burodi na duniya kawai a cikin ƙananan adadi, yawanci a cikin duwatsun ultramafic, da kuma cikin cikin manyan nickel-iron meteorites waɗanda ba a fallasa su zuwa oxygen ba lokacin da suke waje da yanayin duniya.  Tambaya: Wane launi ne launin?
farin azurfa