Hydrogen Atom: Doubly-Ionized Lithium Is a Hydrogen-Like Ion, in Which

question 41

Multiple Choice

Hydrogen atom: Doubly-ionized lithium is a hydrogen-like ion, in which the nucleus with charge 3e is orbited by a single electron. What wavelength light would be emitted from Li⁺⁺ as the electron dropped from the n = 4 to the n = 3 orbit?

• A) 16.9 µm
• B) 1.88 µm
• C) 470 nm
• D) 208 nm

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