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Molecular diameter units (pm)

  1. Apr 26, 2012 #1
    1. The problem statement, all variables and given/known data

    I'm reading a worked problem in my "Fundamentals-of-Physics" textbook, and it states

    2. Relevant equations

    3. The attempt at a solution

    I was wondering what are the molecular diameter units which I have emboldened? What does pm stand for?

    Thank you
  2. jcsd
  3. Apr 26, 2012 #2


    User Avatar

    Staff: Mentor

    p is the prefix for pico.
  4. Apr 26, 2012 #3
    Okay, thank you!
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