# Calculating Atomic Number and Total Energy of Atom

Part 1

An ionized atom has only a single electron. The n = 5 Bohr orbit of this electron has a radius of 8.298E-11 m. Calculate the atomic number Z of this atom.

Part 2

Calculate the total energy E of its n = 3 Bohr orbit.

https://brainmass.com/physics/energy/calculating-atomic-number-and-total-energy-of-atom-312218

#### Solution Preview

r_n = h^2n^2/Zk_e e^2m_e is the expression for the radius of an electron in A single electron atom . Substituting the values of the fundamental constants we have ...

#### Solution Summary

The solution gives a step-by-step explanation on how to calculate atomic number, Z, and total energy.

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