What is the speed of a free electron

Reference no: EM13535541

A neutral sodium atom has an ionization potential of ? = 5.1 eV.

What is the speed of a free electron that has just barely enough kinetic energy to collisionally ionize a sodium atom in its ground state? What is the speed of a free proton with just enough kinetic energy to collisionally ionize this atom?

Reference no: EM13535541

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