Practice Variation Of Atomic Radii (1.4) - Periodic Properties and Variations of Properties – Physical and Chemical

Practice: Variation of Atomic Radii

Lesson 1.4Periodic Properties and Variations of Properties – Physical and Chemical

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8 questions

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6 sample questions

Question 1.
What is atomic radius?
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Think about how we define the boundary of an atom.
Question 2.
Does atomic radius increase or decrease across a period?
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Consider the effect of protons in the nucleus.
3Question 3.
What is the atomic radius?
- The distance from nucleus to the first electron shell
- The distance from nucleus to outermost electron
- The width of the nucleus
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Think about where the outermost electron is located.
4Question 4.
As you move from left to right across a period, does the atomic radius?
- True
- False
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Remember how nuclear attraction affects electron placement.
Question 5.
Consider two elements, fluorine (F) and chlorine (Cl). Compare their atomic radii and explain your reasoning based on periodic trends.
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Recall how the position in the periodic table affects the atomic size.
Question 6.
How does the concept of atomic radii help in understanding the reactivity of elements in the periodic table?
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Link size to electron affinity and ionization energy.

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