Is the first electron affinity of oxygen negative?

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Is the first electron affinity of oxygen negative?

2007-10-11 06:34:30 · 3 answers · asked by ggmal8 2 in Science & Mathematics ➔ Chemistry

3 answers

First electron affinities are always negative, and second electron affinities are always positive.

2007-10-11 06:48:31 · answer #1 · answered by Gervald F 7 · 0⤊ 0⤋

The Electron affinity of a molecule or atom is the energy change when an electron is added to the neutral species to form a negative ion. This property can only be measured in an atom in gaseous state. X + e− → X−

2016-05-21 22:23:24 · answer #2 · answered by ? 3 · 0⤊ 0⤋

Electron affinitiesare always negative values for any elements. first electron affinities, secon lectron affinities,... they are all negative values. So the answer is yes.

2007-10-11 06:46:43 · answer #3 · answered by Farhali 2 · 0⤊ 1⤋