Some of the earliest atomic models held that the orbital velocity of an electron

Question

Some of the earliest atomic models held that the orbital velocity of an electron in an atom could be correlated with the radius of the atom. If the radius of the hydrogen atom is 10-10 m and the electrostatic force is responsible for the circular motion of the electron, what is the ratio of the gravitational force between electron and proton to the electrostatic force? Fg/Fe = How does this ratio change if the radius of the atom is doubled? The ratio will quadruple. The ratio will double. The ratio will not change. The ratio will be halved. The ratio will be quartered.

Explanation / Answer

c) option

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