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Length generated by all atoms contained in 1 gram of iron

  1. May 18, 2015 #1
    Hi,

    I tried to calculate the distance resulting from Na iron atoms contained in 1 g. scaled in meters and by juxtaposing them in a single thread (segment).

    I did the following calculation with:
    Atomic radius : 140 E-10 meters
    Na : 6 E23 atoms in 56 g. of iron

    => ( 2 x 140 E-10 x 6 E23 )/56 = 3 E14 meters....

    In other words, 300 milliard KM with only 1 gram of iron... so I must have made a (or several) mistakes

    Thank you for your help !

    Jean-Marc
     
  2. jcsd
  3. May 18, 2015 #2

    mfb

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    Staff: Mentor

    No mistake, the number is huge as atoms are tiny - you get an extremely long, extremely thin line.
     
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