Chapter 12: Q13DQ (page 497)
What is the difference between Zeff and Z ? When are they the same? Explain.
Effective nuclear charge (Zeff ) is the nuclear charge experienced by the outermost electron shell and nuclear charge (Z) is the net charge of the nucleus in the atom.
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Question: Calculate the de Broglie wavelength for each of the following.
a. an electron with a velocityof the speed of light
b. a tennis ballserved at
Using the element phosphorus as an example, write equations for the process in which the energy change with corresponding to the ionisation energy and to the electron affinity.
Question: In each of the following sets, which atom or ion has the smallest ionization energy?
The element of Si, As, Ge, Al, Cd, S & Se are all used in the Manufacture of various semiconductors devices. Write the expected electronic configuration for these atoms.
One of the visible lines in the hydrogen emission spectrum corresponds to theelectronic transmission. What colour light is this transition? See exercise.
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