Practice Trends In Physical Properties (3.7.1) - Classification of Elements and Periodicity in Properties

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8 questions

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Exercise
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6 sample questions

Question 1.
What happens to atomic radius as you move across a period?
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Think about the effect of protons on electron attraction.
Question 2.
What defines an anion's ionic radius compared to its atomic radius?
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Consider how gaining electrons affects size.
3Question 3.
What happens to atomic radius across a period?
- Increases
- Decreases
- Stays the same
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Think about the effect of protons.
4Question 4.
True or False: Anionic radius is smaller than its atomic radius.
- True
- False
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How do electrons affect size?
Question 5.
Predict the changes in atomic radius and ionization energy if magnesium (Mg) is replaced with calcium (Ca) in group 2.
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Consider the effect of extra shells.
Question 6.
Explain why chlorine has a more negative electron gain enthalpy than fluorine.
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Reflect on charge interactions in size differences.

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