In the Planetary Model of the Atom Where Electrons Orbit

question 12

Multiple Choice

In the planetary model of the atom where electrons orbit a centralized nucleus, what is the approximate ratio of the radius of the nucleus to that of the electron orbits, r_n/r_e?

• A)10⁵
• B)10^-3
• C)10³
• D)10^-5
• E)10^-7

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