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
Correct Answer:

Verified
Correct Answer:
Verified
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