已知某+2价离子的电子排布式为1s 22s 22p 63s 23p 63d 9，该元素在周期表中所属的族是

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21617' and id < 1881454 and id<>'1881454' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21617' and id > 1881454 and id<>'1881454' order by id asc limit 5