Are the elements francium radium and actinium radioactive?
\,Actinium is a radioactive metallic element, radium is intensely radioactive, francium exists only in short-lived radioactive forms,Chemistry’; google_ad_channel = ‘4004162333+2692918319+6153661605’; google_ad_output = ‘js’; google_max_num_ads = ‘3’; google_ad_type = ‘text’; google_feedback = ‘on’; // ]]>