Scientia QA - Intrebari recente cu tag-ul radioactivitate https://www.scientia.ro/qa/tag/radioactivitate Powered by Question2Answer Ce anume face ca un atom sa fie radioactiv? https://www.scientia.ro/qa/1291/ce-anume-face-ca-un-atom-sa-fie-radioactiv Fizica https://www.scientia.ro/qa/1291/ce-anume-face-ca-un-atom-sa-fie-radioactiv Sun, 05 Feb 2012 19:35:50 +0000