A:第117号元素是副族元素
B:Bk的质量数为97
C:第117号元素是非金属元素
D:Ca2+的中子数比核外电子数多10
与下图历史人物无关的历史事件是( )
The man______of shooting 6 school children was caught by Beijing police,the XIN HUA News Agency reported on Friday.( )