1.

th positive electron gain enthalpy is :een (b) sodium (c) oxygen (d) neonx The element withPMT (Kerala) 2012)e) fluorine

Answer»

Option (d) is correct.

neon will have positive electron gain enthalpy because energy is required to add an electron to it, since it has stable electronic comfiguration of 1s2, 2s2, 2p6.



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