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Chem Mid-Term

Chem MId-Term

WordDefinition
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