The ionization energy of mercury is 10.4eV. What is meant by (i.) electron volt (eV) (ii.) ionization potential? (b.) Calculate: the speed of an electron that can just ionize the mercury atom. the maximum wavelength required by incident radiation to emit an electron from a mercury atom.

The ionization energy of mercury is 10.4eV. What is meant by (i.) electron volt (eV) (ii.) ionization potential? (b.) Calculate: the speed of an electron that can just ionize the mercury atom. the maximum wavelength required by incident radiation to emit an electron from a mercury atom.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 66P: The work function for potassium is 2.26 eV. What is the cutoff frequency when this metal is used as...

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The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways:

Question

(a.) The ionization energy of mercury is 10.4eV.
What is meant by (i.) electron volt (eV) (ii.) ionization potential?
(b.) Calculate:

the speed of an electron that can just ionize the mercury atom.
the maximum wavelength required by incident radiation to emit an electron from a mercury atom.

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