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						|  Half-life period |  | 
					
						
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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. | 
 | Please select a valid element name and click 'Calculate'
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 Half-life period of
 | Element | Mass | Symbol | Decay Type | Half-Life | 
|---|
 | Aluminium | 26 | 26Al |  | 717,000 years | 
 
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