The Hydrogen Atom Consists of a Proton of Mass 1

question 37

Multiple Choice

The hydrogen atom consists of a proton of mass 1.67 × 10^-27 kg and an orbiting electron of mass 9.11 × 10^-31 kg. In one of its orbits, the electron is 5.3 × 10^-11 m from the proton. What is the mutual attractive gravitational force between the electron and proton?

• A)1.8 × 10^-47 N
• B)3.6 × 10^-47 N
• C)5.4 × 10^-47 N
• D)7.0 × 10^-47 N
• E)9.3 × 10^-47 N

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