92U238 changes to 85At210 by a series of alpha and beta decays. Find the number of alpha decays undergone (an integer). 92U238 changes to 85At210 by a series of alpha and beta decays. Find the number of alpha decays undergone (an integer). October 20, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related