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Strontium
Strontium

Niobium
Niobium



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Strontium
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Niobium

Facts About Strontium and Niobium

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1 Facts
1.1 Interesting Facts
  • Strontium element is softer than Calcium.
  • Silvery Strontium turns yellow, if exposed to air.
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
William Cruickshank
Charles Hatchett
1.3.2 Discovery
In 1787
In 1801
1.4 Abundance
1.4.1 Abundance In Universe
4 * 10-6 %2 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.000005 %~0.0000004 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.04 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
0.00 %NA
Facts About Radium
1E-13 1.4