Recent content by BobMcPhysics

  1. B

    Energy required to strip final electron

    Homework Statement Find the energy in electron-volts required to remove the remaining electron from a doubly ionized lithium (Li2+) atom. Homework Equations En=-z^2/n^2 The Attempt at a Solution I thought z was 3 for lithium, that doesn't work. I thought since there was only one...