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Models Of Chemical Elements And Compounds

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Bedrock Of The Community
United States
16315 Posts
Posted 07/18/2017   6:28 pm  Show Profile Bookmark this topic Add KuoLC5310 to your friends list Get a Link to this Message
Slovakia
International Year of Chemistry
January 17, 2011
The design shows space-filling models of carbon dioxide and water molecules.


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Bedrock Of The Community
United States
16315 Posts
Posted 07/18/2017   6:34 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Switzerland
International Year of Chemistry
March 3, 2011
The design shows a ball-and-spoke model of Vitamin C (ascorbic acid).

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Bedrock Of The Community
United States
16315 Posts
Posted 07/18/2017   7:02 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Italy
International Year of Chemistry
September 11, 2011
The design shows laboratory glassware and a molecular structure model.

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Edited by KuoLC5310 - 07/18/2017 7:03 pm
Bedrock Of The Community
United States
16315 Posts
Posted 07/18/2017   9:12 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Switzerland
International Chemical Nomenclature Conference
March 24, 1992
A chemical nomenclature is a set of rules to generate systematic names for chemical compounds. The nomenclature created and developed by the International Union of Pure and Applied Chemistry (IUPAC) is most widely used in the world.
The stamp depicts the formula and molecular model of difluorbutane.

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Bedrock Of The Community
United States
16315 Posts
Posted 07/18/2017   9:28 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Great Britain
Royal Institute for Chemistry Centenary
March 2, 1977
Set of four, two stamps depicts molecular models of salt (sodium chloride) and vitamin C (ascorbic acid).

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Bedrock Of The Community
United States
16315 Posts
Posted 07/18/2017   9:42 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Portugal
International Year of Crystallography
July 21, 2014
Set of five stamps and one minisheet. Two of the stamps show models of salt and caffeine.

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Bedrock Of The Community
United States
16315 Posts
Posted 07/19/2017   10:02 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Belgium
International Year of Crystallography
June 10, 2014
The souvenir sheet, printed on transparent polyester, shows the models of ice crystals.


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Bedrock Of The Community
United States
16315 Posts
Posted 07/19/2017   10:11 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Uruguay
International Year of Chemistry
December 9, 2011
The minisheet shows the model of quartz (silicon dioxide) crystals.

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Bedrock Of The Community
United States
16315 Posts
Posted 07/19/2017   10:29 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Germany
The 100th Anniversary of the Death of Friedrich Wöhler
August 12, 1982
Friedrich Wöhler (1800 - 1882) was a German chemist. He is regarded as a pioneer in organic chemistry and is best known for his synthesis of urea.
The commemorative stamp illustrates his Wöhler synthesis in 1828 and a ball-and-stick model of urea.

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Bedrock Of The Community
United States
16315 Posts
Posted 07/19/2017   1:59 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Canada
Uranium Resources
September 3, 1980
The design shows a ball-and-stick model of Uranium dioxide, the main component of the mineral uraninite.

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Bedrock Of The Community
United States
16315 Posts
Posted 07/20/2017   08:36 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Great Britain
Nobel Prize 100th Anniversary
October 2, 2001
Set of six, the stamp depicting chemistry shows the model of Carbon 60 (buckminsterfullerene) molecule. Scientists at Rice University (Houston, Texas) were awarded the 1996 Nobel Prize in Chemistry for their roles in the discovery of buckminsterfullerene and the related class of molecules, the fullerenes.

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Bedrock Of The Community
United States
16315 Posts
Posted 07/20/2017   08:53 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Finland
The 100th anniversary of the foundation of the Chemical Technology Association and the Finnish Society of Chemists
November 1, 1991
The design shows the 3D model of camphor with a cutout to reveal its molecular structure.

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Bedrock Of The Community
United States
16315 Posts
Posted 07/20/2017   3:38 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Switzerland
The 200th Anniversary of the Birth of C. F. Schönbein
September 24, 1999
Christian Friedrich Schönbein (1799 – 1868) was a German-Swiss chemist. He is best known for his invention of fuel cell and his discoveries of guncotton and ozone.
The commemorative stamp shows atmosphere and a ball-and-stick model of ozone (trioxygen).

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Bedrock Of The Community
United States
16315 Posts
Posted 07/21/2017   09:56 am  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Indonesia
International Year of Chemistry
March 1, 2011
Set of two, one stamp shows a stick model of Artoindonesianin C, a xanthone natural product isolated from plant Artocarpus rigidus endemic to the Indonesian Islands.


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Bedrock Of The Community
United States
16315 Posts
Posted 07/21/2017   1:49 pm  Show Profile Bookmark this reply Add KuoLC5310 to your friends list  Get a Link to this Reply
Germany
The 125th Anniversary of the Invention of Synthetic Textile Fiber
February 18, 1971
The design shows the model of polyethylene terephthalate, mainly used in synthetic fibers and plastic bottles.

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Bedrock Of The Community
United States
16315 Posts
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Malaysia
100 Years of Institute for Medical Research
August 24, 2000
The minisheet shows a space-filling model of deoxyribonucleic acid (DNA).

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Edited by KuoLC5310 - 07/22/2017 10:28 am
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