Question 21.2 Q 21.2: The half life of 91Sr38 is 9.7 hours. Find its decay constant. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Pinterest (Opens in new window) Pinterest Share on Reddit (Opens in new window) Reddit Email a link to a friend (Opens in new window) Email Share on WhatsApp (Opens in new window) WhatsApp Related