Write the ground-state electron configurations for the following elements:
Interpretation:
The ground state electron configurations of the given elements are to be obtained.
Concept introduction:
Aufbau Principle states that every electron occupies the orbitals in the increasing of their energy.
The four steps for writing the ground state electron configuration of an element are shown below:
An electron enters the lowest energy orbital.
A maximum of two electrons can occupy each orbital.
In a degenerate orbital, the electrons do not pair until all the orbitals are occupied with at least one electron.
Electrons occupy the orbitals in the following order:
Noble gas core is used to represent electron configuration of all the elements except hydrogen and helium.
Noble gas core is an abbreviation in an atom’s electron configuration. It replaces the electron configuration of noble gas element most recently precede the element.
Answer to Problem 97QP
Solution:
Explanation of Solution
Given information: Ge, Fe, Zn, Ni, W, and Tl elements.
Every electron occupies the orbitals in the increasing order of their energy
The atomic number of the element Ge is
Hence, the ground state electronic configuration is
The atomic number of the element Fe is
Hence, the ground state electronic configuration is
The atomic number of the element Zn is
Hence, the ground state electron configuration is
The atomic number of the element Ni is
Hence, the ground state electronic configuration is
The atomic number of the element W is
Hence, the ground state electronic configuration is
The atomic number of the element Tl is
Hence, the ground state electronic configuration is
The ground state electron configurations of elements (Ge, Fe, Zn, Ni, W, Tl) are as follows:
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