Given That the Speed of an Electron in the Ground

question 45

Multiple Choice

Given that the speed of an electron in the ground state of hydrogen is 2190 km/s,what is the speed of an electron in the n = 4 orbit of hydrogen?

• A)547 km/s
• B)31,000 km/s
• C)139 km/s
• D)178 km/s
• E)2180 km/s

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