The first electron affinity value for oxygen is and the second electron affinity value is . a. unfavorable (endothermic), favorable (exothermic) b. unfavorable (endothermic), unfavorable (endothermic) c. favorable (exothermic), favorable (exothermic) d. favorable (exothermic), unfavorable (endothermic) e. More information is needed.
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