Questions: Which two of the highlighted elements in the figure below is the pair that forms the bond with the most ionic character? Choose one: groups 1 and 18 (red and salmon) groups 2 and 17 (yellow and violet) groups 1 and 2 (red and yellow) groups 2 and 13 (yellow and green) groups 13 and 17 (green and violet) groups 17 and 18 (violet and salmon) groups 14 and 17 (blue and violet) groups 2 and 18 (yellow and salmon) groups 16 and 17 (sky blue and violet) groups 1 and 15 (red and purple) groups 1 and 17 (red and violet)

Which two of the highlighted elements in the figure below is the pair that forms the bond with the most ionic character? Choose one: groups 1 and 18 (red and salmon) groups 2 and 17 (yellow and violet) groups 1 and 2 (red and yellow) groups 2 and 13 (yellow and green) groups 13 and 17 (green and violet) groups 17 and 18 (violet and salmon) groups 14 and 17 (blue and violet) groups 2 and 18 (yellow and salmon) groups 16 and 17 (sky blue and violet) groups 1 and 15 (red and purple) groups 1 and 17 (red and violet)
Transcript text: Which two of the highlighted elements in the figure below is the pair that forms the bond with the most ionic character? Choose one: groups 1 and 18 (red and salmon) groups 2 and 17 (yellow and violet) groups 1 and 2 (red and yellow) groups 2 and 13 (yellow and green) groups 13 and 17 (green and violet) groups 17 and 18 (violet and salmon) groups 14 and 17 (blue and violet) groups 2 and 18 (yellow and salmon) groups 16 and 17 (sky blue and violet) groups 1 and 15 (red and purple) groups 1 and 17 (red and violet)
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Solution

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Solution Steps

Step 1: Identify the Groups

Identify the groups of the highlighted elements in the periodic table. The highlighted elements are in groups 1, 2, 13, 14, 16, 17, and 18.

Step 2: Determine Ionic Character

The ionic character of a bond is determined by the difference in electronegativity between the two elements. The greater the difference, the more ionic the bond.

Step 3: Compare Electronegativity Differences

Compare the electronegativity differences between the pairs of groups provided in the options. The largest difference will be between an alkali metal (group 1) and a halogen (group 17).

Final Answer

The pair that forms the bond with the most ionic character is:

  • groups 1 and 17 (red and violet)
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