Science Fair Project Encyclopedia
Zeptometre
Zeptometre (American spelling: zeptometer, symbol: zm) is an SI measure of length that is equal to 10-21 (zepto-) of a metre. A zeptometer is 1/10 the diameter of an electron, and 1/10 000 the diameter of a proton or neutron.
- 1 zm = 1 × 10−21 metre
yoctometre << zeptometre << attometre
See also
- 1 E-21 m
- SI
- SI prefix
- Orders of magnitude
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


