| chemical element |
Any material that is composed of only one type of atom. It is also called a basic element or just an element. (Basic Science/Electricity/elements.htm)
출처: www.ndt-ed.org/GeneralResources/Glossary/letter/c....
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| chemical formula |
A formula used to describe the types of atoms and their numbers in an element or compound. (Basic Science/Radiography/chemicalformula.htm)
출처: www.ndt-ed.org/GeneralResources/Glossary/letter/c....
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| chemical equation |
The recipe that describes what you need to do to make a reaction take place.
출처: misterguch.brinkster.net/vocabulary.html
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| chemical |
related to the science of chemistry; a substance characterized by a definite chemical molecular composition.
출처: www.wef.org/publicinfo/newsroom/wastewater_glossar...
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| chemical element |
a heavy bluish gray metallic element that bends easily. Source: galena, cerussite. Use: car batteries, pipes, solder, radiation shields. Symbol Pb
출처: encarta.msn.com/dictionary_1861625368/lead.html
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