The formula for calculating the energies of an electron in a hydrogenlike ion is given in the following equation. En = - n = 1, 2, 3,... This equation cannot be applied to many-electron atoms. One way to modify it for the more complex atoms is to replace Z with (Z - ơ), where Z is the atomic number and ơ is a positive dimensionless quantity called the shielding constant. The physical significance of o is that it represents the extent of shielding that the inner electrons exert on each other. Thus, the quantity (Z - o) is appropriately called the effective nuclear charge. Calculate the value of o if the first ionization energy of oxygen is 2.18x10-18 ) per atom. (In your calculations, ignore the minus sign in the given equation.) 10
The formula for calculating the energies of an electron in a hydrogenlike ion is given in the following equation. En = - n = 1, 2, 3,... This equation cannot be applied to many-electron atoms. One way to modify it for the more complex atoms is to replace Z with (Z - ơ), where Z is the atomic number and ơ is a positive dimensionless quantity called the shielding constant. The physical significance of o is that it represents the extent of shielding that the inner electrons exert on each other. Thus, the quantity (Z - o) is appropriately called the effective nuclear charge. Calculate the value of o if the first ionization energy of oxygen is 2.18x10-18 ) per atom. (In your calculations, ignore the minus sign in the given equation.) 10
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter11: Atomic Theory :the Quantum Model Of The Atom
Section: Chapter Questions
Problem 109E
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z sigma must be subbed.
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