The ionisation energy of hydrogen is 13.6 eV. What is the ionisation energy of Be³⁺, in eV, to the nearest whole number?

The ionisation energy of hydrogen is $13.6\ \text{eV}$ . What is the ionisation energy of $\text{Be}^{3+}$ , in eV, to the nearest whole number?

Type your answer as a number (a decimal point is allowed). A wrong answer may cost marks.

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