Chemistry - PERIODIC TABLE Question with Solution | TestHub

ChemistryPERIODIC TABLEElectron Affinity, ElectronegativityMedium2 minQB

ChemistryMediuminteger

Find the number of elements which have first electron gain enthalpy is positive : $Li, Mg, Be, N, P, B, Si$

Answer:

Solution:

Be, Mg, N have positive first electron gain enthalpy due to stable electron configurations (fully-filled or half-filled subshells).

The final answer is 3.

Stream:JEESubject:ChemistryTopic:PERIODIC TABLESubtopic:Electron Affinity, Electronegativity

⏱ 2mℹ️ Source: QB

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