O-LevelChemistryBonding & Structure5070/11 · May/June 2012 · Q141 Mark
In terms of electrons, what happens when potassium combines with iodine to form a compound?
AThe atoms of both elements each lose one electron.
BThe atoms of both elements each gain one electron.
CThe potassium atoms each lose one electron and the iodine atoms each gain one electron.
DThe potassium atoms each gain one electron and the iodine atoms each lose one electron.
✓ Correct answer
C: The potassium atoms each lose one electron and the iodine atoms each gain one electron.
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