When a Hydrogen Atom's Electron Goes from an Energy State

question 1

Multiple Choice

When a hydrogen atom's electron goes from an energy state of n = 2 to n = 1,

• A) the radius of the electron's orbit is unchanged.
• B) the radius of the electron's orbit is increased.
• C) the radius of the electron's orbit is decreased.
• D) the radius of the electron's orbit is infinite.

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