The Energy of a One-Electron Atom or Ion Is Given

question 10

Multiple Choice

The energy of a one-electron atom or ion is given by ,where Z is the atomic number of the element.Which of the following one-electron ions would require the most energy to remove its electron?

• A)Li²⁺
• B)Be³⁺
• C)He⁺
• D)B⁴⁺
• E)C⁵⁺

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