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AP Chemistry
1.8 Valence Electrons and Ionic Compounds
1.7 Periodic Trends
1.5 Atomic Structure and Electron Configuration
IntermediateMCQMathematicalConceptual21.8k
The table below provides the ionic radii for several ions. Ion Ionic radius ( pm):---:--- Mg²⁺ 72 Ca²⁺ 100 Na⁺ 102 F⁻ 133 O²⁻ 140 Cl⁻ 181 Based on…

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