The energy levels for ions with a single electron such as He , Li 2 , and Be 3 are given by E n Z 2 e 2 (8 0 a 0 n 2 ), n 1, 2, 3, 4, Calculate the ionization energies of H, He , Li2 , and Be3 in their ground states in units of electron volts (eV) ...

Ze Soon Z I 1361 eV I Z x 1 ...

The energy levels for ions with a single electron such as He + , Li 2+ ,

Question:

The energy levels for ions with a single electron such as He⁺, Li²⁺, and Be³⁺ are given by E_n = −Z²e² / (8πε₀a₀n²), n = 1, 2, 3, 4, . . . Calculate the ionization energies of H, He+, Li2+, and Be3+ in their ground states in units of electron-volts (eV).