Difference between revisions of "Radium"

Latest revision as of 17:39, 16 February 2006

원소기호 Ra

원자번호 88

원자량 226

은백색의 금속이며
방사성원소이다.

Revision as of 17:38, 16 February 2006 (view source) Yslee (talk \| contribs)		Latest revision as of 17:39, 16 February 2006 (view source) Yslee (talk \| contribs)
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−	원소기호 Rn<br /><br />원자번호 86<br /><br />원자량 ~~222~~<br /><br />방사성원소이다.	+	원소기호 Ra<br /><br />원자번호 88<br /><br />원자량 226<br /><br />은백색의 금속이며 <br />방사성원소이다.