Question

What is the distance an electron is from a proton?

Answer 1

We have to use a most probable distance. In hydrogen atom, it is relatively straightforward; the 1s electron is most likely 1a0=5.29177×10−11m away from the nucleus, and we say that its most probable electron-nucleus distance is "1 bohr radius"

Answer 2

HEY MATE HERE IS YOUR ANSWER

it varies from atom to atom.

in hydrogen it is relatively straightforward.

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