Question: A helium atom with one electron already removed (a positive helium ion) consists of a single orbiting electron and a nucleus of two protons. The

A helium atom with one electron already removed (a positive helium ion) consists of a single orbiting electron and a nucleus of two protons. The electron is in its minimum orbital radius of 0.027 nm.
(a) What is the potential energy of the system?
(b) What is the centripetal acceleration of the electron?
(c) What is the total energy of the system?
(d) What is the minimum energy required to “ionize” this atom, in other words, to cause the electron to leave completely?

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