Variable valency is a general feature of (a) S- block elements (b) P- block elements (c) d- block elements (d) All of these Variable valency is a general feature of (a) S- block elements (b) P- block elements (c) d- block elements (d) All of these November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related