Consider a Beryllium (Z = 4)ion with All but One

question 79

Multiple Choice

Consider a beryllium (Z = 4) ion with all but one of its electrons removed.What is the kinetic energy of the electron in the n = 1 orbit.(The radius of the 1st Bohr orbit in Be³⁺ is 0.0132 nm.)

• A)54.4 eV
• B)218 eV
• C)13.6 eV
• D)27.2 eV
• E)109 eV

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