Chemistry, asked by zohaibsheikh7098, 10 months ago

Why first electron gain enthalpy is greater than second electron gain enthapy?

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Answered by riturajbabu

Energy is released when an electron is added to the atom. Therefore, theelectron gain enthalpy is negative. ... Noble gases have large positiveelectron gain enthalpy. This is because the extra electron is placed in the next higher principal quantum energy levels.

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