| chemical formula |
a notation made with numbers and chemical symbols indicating the composition of a compound and the number of atoms of an element in one molecule.
출처: wblrd.sk.ca/~chem30_dev/appendix/glossary.htm
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|---|---|
| chemistry |
the study of matter, its structures, properties, and composition, and the changes that matter undergoes.
출처: wblrd.sk.ca/~chem30_dev/appendix/glossary.htm
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| chemical |
A substance produced by or used in chemistry. Not all chemicals are harmful, (eg, water).
출처: www.nutrilite.com/english/public/GeneralInfo/Gloss...
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| chemical |
One cause for corrosion in pipes; chemicals that can cause corrosion include carbon dioxide, oxygen, hydrogen sulfide, hydrochloric acid, chloride, and sulfuric acid.
출처: www.dnr.state.wi.us/org/water/dwg/OpCert/HTML/glos...
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| chemical |
A situation created by an accidental release or spill of hazardous chemicals that poses a threat to the safety of workers, residents, the environment, or property.
출처: www.e11th-hour.org/resources/backgrounders/environ...
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