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Chem Mid-Term
Chem MId-Term
| Word | Definition |
|---|---|
| Accuracy | refers to how close a measured value is to an accepted value |
| Precision | refers to how close a series of measurements are to one another; precise measurements show little variation over a series of trials but may not be accurate |
| Base Unit | a defined unit in a system of measurement that is based on an object or event in the physical world and is independent of other units |
| Percent Error | the ratio of an error to an accepted value |
| Scientific Notation | expressed numbers as a multiple two factors-a number between 1 and 10, and 10 raised to a power, or exponent; makes it easier to handle extreamly large or small measurements |
| Atom | the smallest particle of an element that retains all the properties of that element; is electrically neutral, spherically shaped, and composed of electrons, protons and neutrons |
| variable | apt or liable to vary or change; changeable, inconsisient Likely to change or vary; subject to variation; Inconstant; fickle. Biology Tending to deviate, as from a normal or recognized type; aberrant. Something that varies or is prone to change |
| Accuracy | refers to how close a measured value is to an accepted value |
| Precision | refers to how close a series of measurements are to one another; precise measurements show little variation over a series of trials but may not be accurate |
| Base Unit | a defined unit in a system of measurement that is based on an object or event in the physical world and is independent of other units |
| Percent Error | the ratio of an error to an accepted value |
| Scientific Notation | expressed numbers as a multiple two factors-a number between 1 and 10, and 10 raised to a power, or exponent; makes it easier to handle extreamly large or small measurements |
| Atom | the smallest particle of an element that retains all the properties of that element; is electrically neutral, spherically shaped, and composed of electrons, protons and neutrons |
| variable | apt or liable to vary or change; changeable, inconsisient Likely to change or vary; subject to variation; Inconstant; fickle. Biology Tending to deviate, as from a normal or recognized type; aberrant. Something that varies or is prone to change |
Created by:
JacobB
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