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anonymous
 4 years ago
What is the size of the nucleus of an atom compared to its atomic radius?
anonymous
 4 years ago
What is the size of the nucleus of an atom compared to its atomic radius?

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JamesJ
 4 years ago
Best ResponseYou've already chosen the best response.1On an order of magnitude, an atom has a diameter of \[ d_{atom} = 10^{10} \ m \] and the nucleus \[ d_{nucleus} = 10^{14} \ m \] The ratio of the two is \[ \frac{d_{atom}}{ d_{nucleus}} = \frac{10^{10}}{10^{14}} = 10^4 = 10,000 \] Hence a nucleus is 10,000 wider than the nucleus. In terms of volume, this means the atom has \[ (10,000)^3 = 1,000,000,000 \] times more volume than a nucleus. You might also enjoy the first five minutes of this lecture: http://ocw.mit.edu/courses/physics/802electricityandmagnetismspring2002/videolectures/lecture1whatholdsourworldtogether/

JamesJ
 4 years ago
Best ResponseYou've already chosen the best response.1**correction \[ (10,000)^3 = 1,000,000,000,000 \] !!
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