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						 Half-life period of Cobalt (Co) | 
						
						
						
						
							
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							    | Find half-life period of radioactive isotopes of different elements; find its decay type and list of particle emitted. Half-life is the time required for a quantity of radioactive element to reduce to half of its initial value. |   
								
								
 Half-life period of Cobalt (Co)
| Element | Mass | Symbol | Decay Type | Half-Life | 
|---|
 | Cobalt | 56 | 56Co | Electron capture (e) | 77.27 days |  | Cobalt | 57 | 57Co | Electron capture (e) | 271.79 days |  | Cobalt | 58 | 58Co | Electron capture (e) | 70.86 days |  | Cobalt | 60 | 60Co | Beta decay (ß-), Double Gamma decay | 5.2714 years |  
  
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