The number of electron and proton in the third alkaline earth metal ion will be (a) e/20, p/20 (b) e/18, p/20 p/20 p/20 (b) e/18 The number of electron and proton in the third alkaline earth metal ion will be (a) e/20 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related