
Concept explainers
a.
To determine:
The number of electron in outer energy level and the group number of magnesium.
Introduction:
In the molecular or atomic orbitals the electrons of an atom or molecule is distributed. This distribution of electrons is called as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
b.
To determine:
The number of electron in outer energy level and the group number of chlorine.
Introduction:
In the molecular or atomic orbitals the electrons of an atom or molecule is distributed. This distribution of electrons is called as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
c.
To determine:
The number of electron in outer energy level and the group number of oxygen.
Introduction:
In the molecular or atomic orbitals the electrons of an atom or molecule is distributed. This distribution of electrons is called as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
d.
To determine:
The number of electron in outer energy level and the group number of nitrogen.
Introduction:
In the molecular or atomic orbitals the electrons of an atom or molecule is distributed. This distribution of electrons is called as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
e.
To determine:
The number of electron in outer energy level and the group number of barium.
Introduction:
In the molecular or atomic orbitals the electrons of an atom or molecule is distributed. This distribution of electrons is called as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.
f.
To determine:
The number of electron in outer energy level and the group number of bromine.
Introduction:
In the molecular or atomic orbitals the electrons of an atom or molecule is distributed. This distribution of electrons is called as the electronic configuration of the atom or molecule. It is used to show the orbitals of an atom in its ground state. The valance electrons are those which are present in the outermost principle energy level.

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Chapter 3 Solutions
General, Organic, and Biological Chemistry (3rd Edition)
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