History of Radium

	Revision 5 . . (edit) October 29, 2001 2:52 pm by Travist
	Revision 4 . . (edit) October 29, 2001 11:21 am by Coasting
	Revision 2 . . (edit) September 16, 2001 4:48 am by (logged).68.87.xxx

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Difference (from prior major revision) (minor diff, author diff)

Changed: 3c3

Its appearance is almost pure white, but it blackens with exposure to air. Discovered by Marie Curie in 1898, Radium is over 1 million times more radioactive than the same amount of Uranium.

Changed: 5,7c5

See: Periodic table, Marie Curie.

See: Periodic table