Question

A hydrogen atom consists of a single proton and a single electron. If the distance between the proton and the electron were doubled, the electric force would be
1) 1/4 as much,
2) 1/2 as much,
3) twice as much,
4) not enough information to say,
and if instead the distance between the electron and proton were halved, the electric force would be
5) 1/4 as much.
6) 1/2 as much.
7) twice as much.
8) four times as much.
9) not enough information to say

Answer

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