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Encyclopedia > Zeptogram

A zeptogram (symbol: Zg) is an SI unit of mass.


1 Zg = 10-24 kilograms = 10-21 grams


  Results from FactBites:
 
rnd(thoughts) » Blog Archive » Zeptogram (189 words)
The world%u2019s most sensitive scales can now detect a cluster of xenon atoms a billion, trillion times lighter than a gram.
A zeptogram (10-21)g) is roughly the mass of a single protein molecule and its detection has set a new record.
The feat opens up the prospect of future devices that could identify single molecules by weight, providing a sensor of extreme sensitivity that would be valuable in medical and environmental testing.
  More results at FactBites »


 

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