Radium, Ra, is a radioactive alkaline earth metallic element
which belong to
Group IIa of
the periodic table.
Radium is a serious radiological hazard.
- Atomic Number : 88
- Relative Atomic Mass : 226
- Melting point : 700 degC
- Boiling point : 1140 degC
- Relative Density : 5
Radium was discovered, by
Madame Curie in 1898AD.
Radium occurs in pitchblende and is present in all Uranium ores.
Radium is a white shiny metal.
Radiumis reactive and forms the nitride in air.
Radium is similar in its properties to Barium.
Radium is used in medicine in the treatment of cancer.
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