Which of the following is not isoelectronic (a) Na^+ (B) Mg^2+ (c) O^2- (d) Cl^- Which of the following is not isoelectronic (a) Na^+ (B) Mg^2+ (c) O^2- (d) Cl^- November 26, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related