How many atoms make up a human body?



  1. 0 Votes

    According to the below link, a 70kg body (154 lb) would have 7*10^27 atoms in it. This number was come to evaluating the prescence of hydrogen, oxygen, and carbon, which make up 99% of a human body (‘trace’ elemaents were not included)

  2. 0 Votes

    7,000,000,000,000,000,000,000,000,000 for a person who weighs 155 pounds roughly. Another interesting fact that speaks to how small an atom is and how small a cell is (which is made of atoms) states that “125 million atoms could fit in the period at the end of this sentence”.

Please signup or login to answer this question.

Sorry,At this time user registration is disabled. We will open registration soon!