If an atomic nucleus were the size of a dime how far away might one of its electrons be?

A. 1 foot
B. 1 inch***
C. 1 yard
D. 1 mile

My answer (***)

7 answers

you are way off. It depends on the nucleus. In the Hydrogen atom, if the nucleus is the size of a pea, at the 50 yard line of a large stadium (say Yale Stadium), the electron would be whirling around the bleachers.
So for the H atom, none of the answers is there. But for a large atom, say Sodium there is one answer that is close.
Please just dont ignore this question if one of you cant answer it then please let me know so I can go try and get some help some where else.
oh ok thank you that realy help me understand
I think a. and c. are too small becuase you said "none of the answers is there But for a large atom" So I think the answer is D.
So the answer is 1 inch.? 🤔
The answer must be approximated. If a nucleus were an inch in diameter the orbiting electrons would be about a mile away. That's my answer and I'm sticking to it.
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