Why is 2 electron gain enthalpy of elements positive?
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Answer: When an electron is added to an isolated oxygen atom, it becomes uninegative ion. ... Hence more energy has to be supplied for the addition of an electron to this uninegative ion. Therefore , the second electron gain enthalpy is positive for oxygen.
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Answer:
Answer: When an electron is added to an isolated oxygen atom, it becomes uninegative ion. ... Hence more energy has to be supplied for the addition of an electron to this uninegative ion. Therefore , the second electron gain enthalpy is positive for oxygen.
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