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O, S, Cl, F. Deacreasing order of electron gain enthalpy.

O, S, Cl, F. Deacreasing order of electron gain enthalpy.

Grade:11

2 Answers

Vikas TU
14149 Points
4 years ago
Write down their configuration first.
O => 1s2 2s2 2p4
S => 1s2 2s2 2p6 3s2 3p4
Cl => 1s2 2s2 2p6 3s2 3p5
F => 1s2 2s2 2p5
Therfore the most electron gain enthalpy element is Cl.
S would have more gain enthalpy than O.
Surya
13 Points
4 years ago
Cl>F>O>SBecause from top to bottom electron gain enthalpy decreases and from left to right increases in a period

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