Practice Ionic Radius (2.2) - Unit 3: Periodicity

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9 questions

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6 sample questions

Question 1.
What happens to the size of an atom when it becomes a cation?
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Think about the loss of electrons.
Question 2.
Which ion would be larger, Na⁺ or K⁺?
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Consider the position of these elements in the periodic table.
3Question 3.
What happens to the ionic radius when an atom becomes a cation?
- A) It increases
- B) It decreases
- C) It stays the same
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Think about the overall charge of the ion.
4Question 4.
T/F: An anion is always larger than its parent atom.
- True
- False
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Consider the changes in electron configuration.
Question 5.
Given the ions Cl⁻, K⁺, and Ar, which would you expect to have the largest ionic radius and why?
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Consider how nuclear charge affects size.
Question 6.
In a mixed isoelectronic series with ions of different oxidation states, how would you explain the differences in ionic radius observed?
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Think about how charge influences attractive forces.

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