What Is the Ionization Energy of Singly-Ionized Helium, Which Has $27.2 \mathrm { eV }$

question 118

Multiple Choice

What is the ionization energy of singly-ionized helium, which has 2 protons?

• A) \(27.2 \mathrm { eV }\)
• B) \(13.6 \mathrm { eV }\)
• C) \(54.4 \mathrm { eV }\)
• D) \(36.4 \mathrm { eV }\)
• E) \(6.80 \mathrm { eV }\)

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