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  CarbonDioxide

Sigma KEE - CarbonDioxide
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CarbonDioxide
Carbon dioxide is a common compound in the Earth's atmosphere, and an essential compound used in the cycle of photosynthesis.
Relationships      
Parents 复合物质 The Class of Substances that contain two or more elements (ElementalSubstances) in definite proportion by weight. The composition of a pure compound will be invariant, regardless of the method of preparation. Compounds are composed of more than one kind of atom (element). The term molecule is often used for the smallest unit of a compound that still retains all of the properties of the compound. Examples: Table salt (sodium chloride, NaCl), sugar (sucrose, C_{12}H_{22}O_{11}), and water (H_2O).


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