Transitional elements exhibit variable valencies because they release electrons from the following orbits (a) ns orbit (b) ns and np orbits Transitional elements exhibit variable valencies because they release electrons from the following orbits (a) ns orbit (b) ns and np orbits November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related