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Radium
Radium
Radium
Radium
- Atomic Number: 88
- Electron Configuration: [Rn] 7s2
- Atomic Mass: 226
- Neutrons: 138
- Protons: 88
- Electrons: 88
- Melting point: 1,292 °F (700 °C)
- Boiling point: 2,084 °F (1,140 °C)
Discoverery: Radium was discovered in 1898 by Polish chemist, Marie Curie and French Chemist, Pierre Curie. Marie Curie obtained radium from pitchblende, which contains uranium, and noticed that unrefined pitchblende was more radioactive than the uranium that was separated from it.
Properties/ Reactions
Radium is silvery, lustrous, soft, and intensely radioactive. Radium is also luminescent, and corrodes in water to form radium hydroxide. It oxidizes on exposure to air, turning from almost pure white to black. It is the heaviest member of the alkaline-earth group, but it is the most volatile.
Where is it located?
Where is it located?
In the United States, Radium is found in the Carnotite sands of Colorado. However, richer supplies of Radium exist in regions of Africa and Canada.
Fast Facts:
Fast Facts:
- Radium is highly radioactive
- Was used in toothpaste & clocks
- Heaviest alkaline earth metal
- Used to target bone cancer
- Is a part of treating cancer
for your information...
for your information...
- Radium's most stable isotope, has a half-life of about 1600 years. It decays into Radon through alpha decay or into Lead by ejecting a Carbon nucleus. Radium is present in all uranium metals, and can be extracted from the waste products of uranium processing.
Works cited:
Page by: Kayla G. (12)
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