Radon (Ra) decays into Polonium (P0) by emitting an α−particle with half-life of 4 days. A sample contains 6.4×1010 atoms of Rn. After 12 days, the number of atoms of Rn left in the sample will be Radon (Ra) decays into Polonium (P0) by emitting an α−particle with half-life of 4 days. A sample contains 6.4×1010 atoms of Rn. After 12 days the number of atoms of Rn left in the sample will be September 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related