Answer: A hydrogenlike ion is an ion containing only one
Chapter 8, Problem 8.57(choose chapter or problem)
A hydrogenlike ion is an ion containing only one electron. The energies of the electron in a hydrogenlike ion are given by En 5 2(2.18 3 10218 J)Z2 a 1 n2 b where n is the principal quantum number and Z is the atomic number of the element. Calculate the ionization energy (in kJ/mol) of the He1 ion.
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