Facts About Strontium and Protactinium
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Sources
Found in Minerals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
William Cruickshank
William Crookes
Discovery
In 1787
In 1900
Abundance In Meteorites
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Abundance In Earth's Crust