Chemistry · Periodic Properties: Electronegativity
According to the Mulliken scale, if Ionization Potential (IP) and Electron Affinity (EA) are measured in electron volts (eV), what is the correct formula to calculate electronegativity (En)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1En = (IP * EA) / 2
- 2En = (IP + EA) / 5.6✓
- 3En = (IP - EA) / 5.6
- 4En = (IP + EA) / 2.8
Correct answer
En = (IP + EA) / 5.6
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