Cl[-]> F[-] >H[-]> Li[+] >Be[2+]
规律：
1,同周期的原子或等电子数离子,半径从左到右依次减小.如Li[+] >Be[2+]
2,同主族原子或离子,半径从上到下依次增大.如Cl[-]> F[-]
3,等电子的离子,半径阴离子>阳离子.如H[-]> Li[+]
4,F[-] >H[-]是因为F[-] 比H[-]多一层电子.
Chemistry - Relative Sizes of Atoms and Ions?
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