The energy levels of one-electron ions are given by the equation ... (in the pic

Question

The energy levels of one-electron ions are given by the equation ... (in the picture)
where Z is atomic number, n is the energy level, and aJ is the abbreviation for the unit attojoules.
Ionization energy is the energy needed to eject an electron from an atom or ion. Calculate the ionization energy, IE, of the one-electron ion Li2 . The electron starts in the lowest energy level, n=1.

Thank You ! The energy levels of one-electron ions are given by the equation E" = ( where Z is atomic number, n is the energy level, -2.18 aJand aJ is the abbreviation for the unit attojoules. )-- In lonization energy is the energy needed to eject an electron from an atom or ion. Calculate the ionization energy, IE, of the one-electron ion Li2. The electron starts in the lowest energy level, n=1. Number aJ

Explanation / Answer

Ionization energy of one electron ions is given by:

En = (-2.18 )xZ2/n2 aJ

Let us now calculate the ionization energy of one electron ion, Li2+.

Atomic number of Li, Z = 3 and n =1

IE = (-2.18 )x32/12 aJ = -19.62 aJ

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