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Články z Technology Review Feed - Tech Review Top StoriesBlog - Physicists Count The Number of Atoms In 1kg of Silicon

14. 10 2010 (06:10)

And, in case you're wondering, the answer is 6.02214084(18) × 10^23

How many atoms are there in a kilogram of silicon? This number is Avogadro's constant and working out its value is one of the more important tasks that materials scientists face.