The 1 E-11 m reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

1 E-11 m

To help compare different orders of magnitude this page lists lengths between 10 pm and 100 pm (10^-11 m and 10^-12 m). See also lengths of other orders of magnitude.

• Lengths shorter than 10 pm
• 25 pm -- radius of Hydrogen atom
• 31 pm -- radius of Helium atom
• 100 pm = 1 Ångström
• Lengths longer than 100 pm

External links

• Conversion Calculator for Units of LENGTH
• Atomic radii come from www.webelements.com

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