What is the ground state energy of the electron

Reference no: EM13540196

Take element Z = 70 from the periodic table. Ionize it 69 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron?
-6.67×104 eV

**need help on 2nd part
What is the energy of the electron when it is in the n = 20 principal state in the ion above

Reference no: EM13540196

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