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Periodic Trends: Ionization Energy Trends

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Wize University Chemistry Textbook > Periodic Table Trends

Exceptions to the Ionization Energy Trend

5 Activities

In the periodic table the ionization energy:
More Exceptions to the Ionization Energy Trend Questions:
Periodic Trends: Anomalies
Why is the ionization energy of Be greater than that of B?
Ionization Energy
A student has an exam question asking which has the higher first ionization energy, beryllium or boron. They answer boron, because based on Periodic Trends, boron is further to the right and hence will have the higher ionization energy; however, the answer is beryllium. Why?
Periodic Trends:: Ionization Energy
Which of the following has the lowest ionization energy?
"The Periodic Table", image retrieved from Chemistry 2e (https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/Chemistry2e-OP_QCzV58S.pdf) by Flowers, P et al., is licensed under CC BY.
Periodic Trends: Lowest Ionization Energy
Select the element with the lowest 3rd ionization energy.
Choose the answer below which correctly ranks the following elements in order of decreasing ionization energy: Cr, As, N, Sr, F
Periodic Trends: Ionization Energy
Which of these elements has the highest third ionization energy?
Periodic Trends: Highest 1st Ionization Energy
Which of the following species has the highest 1st ionization energy?
Periodic trends: Ionization Energy
Rank the following elements by increasing first ionization Energy: Si, Mn, O, K, F
Periodic Trends: Ionization Energy
Rank the following elements from smallest to greatest ionization energy: O, Al, Ca, Cs,
Ni.
Periodic Trends: Ionization Energy
Rank the following elements in increasing order of ionization energy: Al, F, Pd, Rb, Zr
Rb
<
Zr
<
Pd
<
Al
<
F