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Periodic Trends: Anomalies

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Wize University Chemistry Textbook > Periodic Table Trends

Exceptions to the Ionization Energy Trend

5 Activities

Wize University Chemistry Textbook > Atoms, Ions, & Isotopes

The Periodic Table & Properties

2 Activities

Why is the ionization energy of Be greater than that of B?
More Exceptions to the Ionization Energy Trend Questions:
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: Ionization Energy Trends
In the periodic table the 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
More The Periodic Table & Properties Questions:
IE, EA and EN
Arrange the following elements in order of increasing metallic character: Fr, Sb, In, S, Ba, Se.
If a new element was discovered below Po in the periodic table, will this element more likely to be a metal/metalloid/non-metal?
Compared to oxygen, would this element be more or less likely to form an ionic bond with lithium?
Practice: Periodic Trends
1. Arrange the following elements in order of decreasing metallic character: Sr, N, Si, P, Ga, Al
2. Compare the 3rd IE of Ca, Sr and Y.
3. Na+ has ionic radius 102 pm and Li has atomic radius 182 pm. Explain.
Atom: Nuclear Notation
Nuclear Notation - Practice Question
How many protons, neutrons and electrons are there in 75As3-?
Answer: There are
33
protons,
42
neutrons and
36
electrons.
Periodic Trends: Water reactivity
Your teacher may have demonstrated the reactions that occur between Alkali elements and water. Which one of these elements is the most reactive?
Periodic Trends
If a new element was discovered below Po in the periodic table, will this element more likely to be a metal/metalloid/non-metal?
Compared to oxygen, would this element be more or less likely to form an ionic bond with lithium?
Give the name of the element with the symbol Sn:
Periodic Trends: Melting point
Rank the following from highest to lowest expected melting point.
Co Ir Rh Re Os
"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.
An element is known to have a mass number of 27.
"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: Practice
Which of the choices below correctly identifies the relative size, electron affinity, and ionization energy of ground-state Cs, H, and N atoms?
Periodic Trends: Ionization energy
Ionization Energy refers to the amount of energy require to do what?