Question
3. What similarities in trends do atomic radii and ionic radii have?
Answer
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Rowena
Master · Tutor for 5 years
Answer
Both atomic radii and ionic radii decrease across a period and increase down a group.
Explanation
Both atomic radii and ionic radii exhibit similar trends across the periodic table. They decrease from left to right across a period due to increasing nuclear charge, which pulls electrons closer. They increase down a group because additional electron shells are added, increasing the distance between the nucleus and the outer electrons.