Chromium

Polonium

Facts About Chromium and Polonium

Chromium

Polonium

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1 Facts

1.1 Interesting Facts

Chromium is highly reactive, hence it is not found free in nature.

Ores of Chromites mineral are the major source of Chromium metal.

Almost 90% leather tanning is done with the help of chromium.

Polonium was the first radioactive element to be discovered.

Polonium element and its compounds are highly radioactive.

Its alloy with Beryllium provides source of neutrons.

1.2 Sources

Found in Minerals, Mining, Ores of metals, Ores of Minerals

Mining, Ores of metals

1.3 History

1.3.1 Who Discovered

Louis Nicolas Vauquelin

Pierre Curie and Marie Curie

1.3.2 Discovery

In Between 1797 - 1798

In 1898

1.4 Abundance

1.4.1 Abundance In Universe

Facts About Iron

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1.5 * 10^-3 %

Rank: 7 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Facts About Thallium

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0.005 (Facts About A..)

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1.4.2 Abundance In Sun

Facts About Iron

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~0.002 %

Rank: 7 (Overall)▶

~-9999 %

Rank: N/A (Overall)▶

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Facts About Beryllium

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0.004 (Facts About S..)

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1.4.3 Abundance In Meteorites

Facts About Iron

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0.30 %

Rank: 7 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Facts About Gold

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0.91 (Facts About A..)

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1.4.4 Abundance In Earth's Crust

Facts About Alu..

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0.01 %

Rank: 13 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Facts About Radium

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0.66 (Facts About T..)

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1.4.5 Abundance In Oceans

Facts About Sod..

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0.00 %

Rank: 16 (Overall)▶

0.00 %

Rank: 46 (Overall)▶

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Facts About Protactinium

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0.042 (Facts About P..)

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1.4.6 Abundance In Humans

Facts About Cal..

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0.00 %

Rank: 16 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Facts About Radium

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0.14 (Facts About S..)

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