Probably after 1910, for luminescent dial paints.
Radium was discovered in 1898 !
radium was founded by Marie curie and Pierre curie.it was termed rad which means first in polonium since it was the first radioactive substance to be discovered
skin turned grayish, hurt, and he thought radium could be used in treating cancer. that was later proved after his death.
She used an electrometer.
radium has NO odor
Radium is not used in asphalt.
radium is helped with cancer by radium is helped with cancer by
Radium chloride, RaCl2, was the first radium compound to be prepared in a pure state and was the basis of Marie Curie's original separation of radium from barium. The first preparation of radium metal was by the electrolysis of a solution of radium chloride using a mercury cathode.
The first name was radium; some isotopes had in the past other names.
The name radium comes from a Latin word radius, which means ray. It was named this because the chemists found that photographic effects were similar at light rays.
It isn't used for anything anymore--they have better, safer isotopes to do the things radium was once used for.
Radium is not used to produce energy.
Radium was first discovered in an ore called pitchblende
Today radium-226 is not used for radiotherapy.
Radium (Ra) atomic number 88
Polonium is not used for the treatment of cancers. Radium is used to treat bone cancers.
Radium was used in the past as a radioactive source in the radiotherapy of some cancers.