A-LevelChemistryChemical periodicity9701/12 · Oct/Nov 2012 · Q131 Mark
Why is the ionic radius of a chloride ion larger than the ionic radius of a sodium ion?
Achloride ion has one more occupied electron shell than a sodium ion.
BChlorine has a higher proton number than sodium.
CIonic radius increases regularly across the third period.
DSodium is a metal, chlorine is a non-metal.
✓ Correct answer
A: chloride ion has one more occupied electron shell than a sodium ion.
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