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Starting at the nucleus (r=0) you look for the electron in the Hydrogen atom. At what...

Starting at the nucleus (r=0) you look for the electron in the Hydrogen atom. At what radius away from the nucleus do you have to go to get a 50% chance to find the electron in the 1s orbital? What about a 90% chance? What about a 99.9% chance?

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Answer #1

As we know that;

Here,

r= 0

Then,

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