Periodic Trends Worksheet
Explore the fundamental periodic trends of elements including atomic radius, ionization energy, electronegativity, and electron affinity.
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Periodic Trends Worksheet
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Date:
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Read each question carefully and provide your best answer based on your knowledge of periodic trends.
1. Which of the following elements has the largest atomic radius?
Li
Na
K
Rb
2. Which trend describes the increase in ionization energy across a period?
Increasing nuclear charge and decreasing shielding effect
Decreasing nuclear charge and increasing shielding effect
Increasing atomic radius and constant nuclear charge
Decreasing electronegativity and increasing metallic character
3. Electronegativity generally across a period and down a group.
4. The energy required to remove an electron from a gaseous atom is called the .
5. Elements with high electron affinity tend to form ions.
6. Explain why atomic radius decreases across a period.
7. The shielding effect is more significant for electrons in the same principal energy level.
True
False
Use the provided periodic table data to answer the following question.
8. Based on the general trend, arrange the following elements in order of increasing electronegativity: O, F, N.
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