when the heat is added to the material, which factors are important in order to determine how much the material will rise in tem
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The radius of a nucleus of hydrogen is approximately 
, while we can use the Borh radius as the distance of an electron from the nucleus in a hydrogen atom: 
The radius of a dime is approximately
: if we assume that the radius of the nucleus is exactly this value, then we can find how far is the electron by using the proportion
from which we find
So, if the nucleus had the size of a dime, we would find the electron approximately 500 meters away.
The radius of a dime is approximately
from which we find
So, if the nucleus had the size of a dime, we would find the electron approximately 500 meters away.