
Concept explainers
Write the ground-state electron configurations of the following ions, which play important roles in biochemical processes in our bodies:

Interpretation: The ground state electronic configuration of the given ions is to be written.
Concept introduction:
Elements that lose their valence electron(s) are called cations.
Elements that gain electron(s)from another atom are called anions.
Representative elementstypically tend to lose or gain electrons to attain a stable noble gas electronic configuration.
Answer to Problem 131AP
Solution:
a)
b)
c)
d)
e)
f)
g)
h)
Explanation of Solution
a)
Sodium ion
So, the electronic configuration of sodium
Therefore, the electronic configuration of sodium ion is
b)
Magnesium ion
So, the electronic configuration of magnesium ion
Therefore, the electronic configuration of magnesium ion is
c)
Chlorine ion
So, the electronic configuration of chlorine ion
Therefore, the electronic configuration of chlorine ion is
d)
Potassium ion
So, the electronic configuration of potassium ion
Therefore, the electronic configuration of potassium ion is
e)
Calcium ion
So, the electronic configuration of calcium ion
Therefore, the electronic configuration of calcium ion is
f)
Ferrate ion
So, the electronic configuration of ferrate ion
Therefore, the electronic configuration of ferrate ion is
g)
Cuprous ion
So, the electronic configuration of cuprous ion
Therefore, the electronic configuration of cuprous ion is
h)
Zinc ion
So, the electronic configuration of zinc ion
Therefore, the electronic configuration of zinc ion is
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Chapter 7 Solutions
EBK CHEMISTRY
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