Electron affinity is positive when (a) O- is formed from O (b) O2- is formed from O- (c) O+ is formed from O (d) O3- is formed from O- Electron affinity is positive when (a) O- is formed from O (b) O2- is formed from O- (c) O+ is formed from O (d) O3- is formed from O- November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related