kobalt i nikal
TRANSCRIPT
![Page 1: Kobalt i Nikal](https://reader036.vdocuments.pub/reader036/viewer/2022081412/544cc639b1af9f24678b4990/html5/thumbnails/1.jpg)
Andrić JovanMottaghi Daniel Pavlović MilanPerišić Rade
II8
![Page 2: Kobalt i Nikal](https://reader036.vdocuments.pub/reader036/viewer/2022081412/544cc639b1af9f24678b4990/html5/thumbnails/2.jpg)
Kobalt
-Elektronska konfiguracija: 1S2, 2S2 2P6 , 3S2 3P6 , 4S2 3D7
-Čist kobalt je srebrne boje
-Veoma tvrd
-Ima feromagnetična svojstva
-Oksidaciona stanja: 0, +1, +2, +3 i +4
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Jedinjenja +2CoO(s) – kobalt(II)-oksid
Co(OH)2(s) – kobalt(II)-hidroksid
Anhidrid Heksahidrat
CoCl2(s) – kobalt(II)-hlorid
CoF2(s) – kobalt(II)-fluorid
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Jedinjenja +3
Co3O4(s) – kobalt(II,III)-oksid
CoF3(s) – kobalt(III)-fluorid
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Nikl
-Elektronska konfiguracija: 1S2, 2S2 2P6 , 3S2 3P6 , 4S2 3D8
-Čist nikl je blistav metal srebrnobele boje
-Umereno tvrd i otporan na koroziju
-Magnetičan je
-Oksidaciona stanja: +2, +3
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Jedinjenja +2
NiO(s) – nikl(II)-oksid
Ni(OH)2(s) – nikl(II)-hidroksid
NiF2(s) – nikl(II)-fluorid
![Page 7: Kobalt i Nikal](https://reader036.vdocuments.pub/reader036/viewer/2022081412/544cc639b1af9f24678b4990/html5/thumbnails/7.jpg)