Open main menu
Opengenome.net
β
Search
Changes
Newer edit →
Radium
101 bytes added
,
17:38, 16 February 2006
no edit summary
원소기호 Rn<br /><br />원자번호 86<br /><br />원자량 222<br /><br />방사성원소이다.
18.119.19.206
0
edits