The half-life of At is 100 micro s. The time taken for the radioactivity of a sample of At to decay to 1/16th of its initial value is The half-life of At is 100 micro s. The time taken for the radioactivity of a sample of At to decay to 1/16th of its initial value is October 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related