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IPC Chemical
Chemical Reactions
Term | Definition |
---|---|
Chemical Property | A characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction. |
Chemical Reaction | A chemical change that occurs when two or more substances combine to form a new substance. |
Valence Electrons | The electrons in the outermost energy level of an atom. |
Precipitate | The solid that forms when combining two liquids. |
Electrolysis | Chemical decomposition produced by passing an electric current through a liquid or solution containing ions. |
Corrode | Destroy or damage (metal, stone, or other materials) slowly by chemical action. |
Tarnish | No longer shiny. |
Conservation of Mass | Mass cannot be created or destroyed. |
Chemical Equation | A way of writing changes in the arrangement of atoms during a chemical reaction, using chemical symbols. |
Product | The final material or substance left at the completion of a series of reactions. |
Reactants | Elements and compounds that are present at the beginning of a chemical reaction. |
Coefficients | The big number in front of the chemical formula that indicates how many molecules are in the chemical formula. |
Subscripts | The small number that is placed behind and slightly below a chemical formula. Subscripts indicate how many atoms are present in a chemical formula. |
Exothermic | A change that results in energy being given off. |
Endothermic | A change that results in energy being absorbed. |
Chemical Change | Any change that results in the formation of new chemical substances. |
Fermentation | The anaerobic conversion of sugar to carbon dioxide and alcohol by yeast. |
Ripen | Developed to the point of readiness for harvesting and eating. |