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Science vocabulary
Exploring Creation w/ Chemistry - vocabulary (E - G)
| Term | Definition |
|---|---|
| Electromagnetic radiation | Another term for light, including all wavelengths, both visible and not visible |
| Electromagnetic spectrum | The total range of wavelengths of light that come from the sun |
| Electron | One of the three particles that make up the atom - it is negatively charged and orbits the nucleus of the atom |
| Electron configuration | A notation that lists the number of electrons that occupy each orbital in an atom |
| Electron-dot diagram | Another name for a Lewis structure |
| Electronegativity | A measure of how strongly an atom attracts extra electrons to itself |
| Element | Any substance that cannot be decomposed into less massive substances |
| Empirical formula | A chemical formula that tells you a simple, whole-number ratio for the atom in a molecule |
| Endothermic process | A process that absorbs heat |
| Endpoint of the titration | The point in a titration where the acid and base has completely reacted with each other, it is usually accompanied by an indicator's change in color |
| Energy | The ability to do work |
| Energy diagram | A diagram that shows the energy of the reactants, intermediate state, and products in a chemical reaction |
| Enthalpy of information (〖∆H〗_f) | The ∆H of a formation reaction |
| Entropy | A measure of the disorder that exists in any system |
| Equilibrium constant | A value that describes the concentrations at which a reaction comes to equilibrium, varies with temperature. |
| Excess reactant | The reactant or reactants that are left over at the end of a chemical reaction |
| Exothermic process | A process that releases heat |
| Extrapolation | Following an established trend in the data even though the is no data available for that region |
| Factor-label method | A method of conversion using the multiplication of fractions |
| Fahrenheit | A temperature scale defined so that water freezes at 32 degrees and boils at 212 degrees |
| Food calorie (Cal) | 1,000 chemistry calories,(cal) |
| Formation reaction | A reaction that starts with two or more elements and produces one compound |
| Freezing | The process by which a substance changes from its liquid phase to its solid phase |
| Freezing-point depression | When a solution is dissolved in a solvent, the freezing point of the solution will be lower than that of the pure solvent |
| Frequency | The number of wave crests (or troughs) that pass a given point each second |
| Galvanic cell | An electricity-producing cell that runs on a redox reaction |
| Gay-Lussac's Law | The stoichiometric coefficients in a chemical equation relate the volumes of gases in the equation as well as the number of moles of substance in the equation |
| Graduated cylinder | A device used for measuring the volume of liquids |
| Gram | The metric unit of mass |
| Ground state | The lowest possible energy state for a given substance |
Created by:
Autumn Fairall
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