Cobalt
Cobalt (chemical symbol Co) ek chemical element hae jiske atomic number 27 aur atomic mass 59 hae. Ii ek dhaatu (metal) hae.
| Atomic Structure | |
|---|---|
| Symbol | Co |
| Atomic Number | 27 |
| Atomic Mass | 59 g/mol |
| Periodic Table | |
| Group | 9 |
| Row / Period | 4 |
| Element Category | Transition dhaatu |
| Chhapa | |
 | |
Properties
Cobalt ek transition metal hae. Ii chamke hae aur electricity conduct kare hae. Ii ek magnetic, hard metal hae. Isse jaada reactive Iron hae, aur copper kamti reactive hae.
Chhapa ke gallery
![Sheet of cobalt metal]]](//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Cobalt-3.jpg/120px-Cobalt-3.jpg)
Sheet of cobalt metal]]![Cobalt(II) chloride with water]]](//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Cobalt%28II%29-chloride-hexahydrate-sample.jpg/120px-Cobalt%28II%29-chloride-hexahydrate-sample.jpg)
Cobalt(II) chloride with water]]![Cobalt(II) chloride without water]]](//upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Cobalt%28II%29_chloride.jpg/120px-Cobalt%28II%29_chloride.jpg)
Cobalt(II) chloride without water]]
Elemental cobalt
Cobalt ore
Bristol blue glassware
Křemičitan kobaltnatý - CoSiO3
Cobalt
![Sheet of cobalt metal]]](https://www.search.com.vn/wiki/hif/file:Cobalt-3.jpg)
![Cobalt(II) chloride with water]]](https://www.search.com.vn/wiki/hif/file:Cobalt(II)-chloride-hexahydrate-sample.jpg)
![Cobalt(II) chloride without water]]](https://www.search.com.vn/wiki/hif/file:Cobalt(II)_chloride.jpg)
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