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Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic Table

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

As you move from left to right on the periodic table, why does the atomic radius decrease?

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1. As you move from top to bottom on the periodic table, what happens to the atomic radius?

2. Which of these elements has the largest atomic radius?

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About This Quiz & Worksheet

The atomic radius is a term that pertains to two atoms bonded together. In this quiz, you'll be asked to recall the characteristics of atomic radii in different portions of the periodic table.

Quiz & Worksheet Goals

This atomic and ionic radii quiz is meant to assess how well you:

  • Understand what happens to the atomic radius as you progress from left to right and from top to bottom on the periodic table
  • Recognize the element with the largest atomic radius in a group
  • Recognize the element with the smallest atomic radius in a group

Skills Practiced

  • Reading comprehension - draw the most relevant information from the lesson on atomic and ionic radii on the periodic table
  • Critical thinking - use this information to consider which element in a group of elements has the largest or smallest atomic radii
  • Information recall - remember knowledge you have learned about atomic and ionic radii

Additional Learning

Read the lesson called Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic Table, which will cover the following objectives:

  • Learn the definitions of valence electrons and atomic radius
  • Examine group trends on the periodic table
  • Define ionic radii
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