The neutral helium atom is made of a nucleus containing two, Ask an Expert

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The neutral Helium atom is made of a nucleus (containing two protons and two neutrons) and two electrons. The electrons have an average separation from the nucleus of r = 31 pm.

Note: 1 pm = 10^-12 m (pico-meter)

Consider the average configuration of the Helium atom shown above, treating the nucleus as a point charge. What is the electrical potential energy of the Helium atom?

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