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What Is the Wavelength (Nm)of Light Emitted When an Electron

Question 79

Multiple Choice

What is the wavelength (nm) of light emitted when an electron in a hydrogen atom moves from n = 4 to n = 2?

A) -486
B) 2.06 × 10¹⁵
C) 486
D) 2.06 × 10⁶
E) 4.86 × 10^-7

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