| − | {{Element | name=Berkelium | symbol=Bk | anumber=97 | amass=247 amu | noe=97 | class=Inner Transitional Metal | cstructure=Unknown | color=Unknown | date=1949 | discname=[[G. T. Seaborg]] | origname=Berkelium is named after Berkley, California. | uses=Unknown | obtained=Man-made. }} | + | {{Element | name=Berkelium | symbol=Bk | anumber=97 | amass=247 amu | noe=97 | class=Inner Transitional Metal | cstructure=Unknown | color=Unknown | date=1949 | discname=[[G. T. Seaborg]] | origname=Berkelium is named after [[Berkeley]], California. | uses=Unknown | obtained=Man-made. }} |