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Carbon

Carbon

(Science: chemistry, element) Sixth element (Z=6) in the periodic table, has 6 protons, often described as the basis of life on earth because of its chemical properties, has potential for use with silicon as a low-activation structural material for fusion reactors, in the form silicon carbide.

carbon tiles are often used in plasma-facing components because its low Z makes carbon a relatively nice impurity. It is also useful as a neutron moderator.

See: low-activation materials, plasma-facing components.

Abbreviation: c An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds.An element that is characteristically in all organic compounds. With a valency of four, carbon can bond with four other atoms. Carbohydrates consists of carbon, hydrogen and oxygen atoms for example, where th.


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biology

which process removes carbon dioxide out of the atmosphere? a) combustion b) decomposition c) photosynthesis d) respiration

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by geanna
Mon Mar 24, 2014 11:02 pm
 
Forum: General Discussion
Topic: biology
Replies: 0
Views: 12

A question about what living organisms are made up of.

So, the cells are made up of carbon-based molecules. What other elements than carbon do the organic molecules that make up a cell consist of ? Thanks a lot.

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by Anonymous99
Mon Mar 03, 2014 8:39 pm
 
Forum: Molecular Biology
Topic: A question about what living organisms are made up of.
Replies: 8
Views: 461

A question about what living organisms are made up of.

Well, yes one could say that carbon is the main element. Carbon forms the backbone of most of the substances. Those are called organic molecules. However, there are of course also some inorganic compounds present.

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by JackBean
Mon Mar 03, 2014 12:43 pm
 
Forum: Molecular Biology
Topic: A question about what living organisms are made up of.
Replies: 8
Views: 461

A question about what living organisms are made up of.

I know that living organisms are made up of carbon-based molecules and other molecules, I am wondering what is meant by carbon-based molecules? Is it meant that it consists of more carbon than other elements? What other molecules are a living organism ...

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by Anonymous99
Mon Mar 03, 2014 1:44 am
 
Forum: Molecular Biology
Topic: A question about what living organisms are made up of.
Replies: 8
Views: 461

Re: drink water, orange juice or Cola before eating?

... researching something about diet and pH. I agree that drinking while eating can adversely affect the digestive process. Additionally, drinking carbonated beverages brings other factors into digestion. When the carbon dioxide enters the stomach, the pyloric sphincter (which is closed while the ...

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by MamaWrites
Sat Nov 30, 2013 8:40 pm
 
Forum: Physiology
Topic: drink water, orange juice or Cola before eating?
Replies: 15
Views: 32087
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