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60 Cards in this Set
- Front
- Back
___ Is the systematic sutyd of matter, its types, properties, structure and changes.
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Chemistry
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___ means that matter has a different properties throughout
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Heterogenous
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___ means that matter has similar properties throughout.
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Homogeneous
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A(n) __ is a characteristic used to describe matter.
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Property
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___ is a measure of the amount of matter in a sample.
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mass
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___ is a process in which a liquid is changed into a solid
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Freezing
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___ is a process in which a solid is changed directly into a gas.
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Sublimation
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___ is a process in which a gas is changed directly into a solid.
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Deposition
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___ is the temperature at which a liquid is changed into a gas.
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Boiling Point
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___ is the temperature at which a solid is changed into a liquid.
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Melting Point
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A ___ is a change in which new kinds of matter are formed.
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Chemical Change
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A ___ is a change in which no new kinds of matter are formed.
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Physical Change
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The ___ is a problem soliving process based on experimentation and reasoning that leads from observations to the contruction of unifying principles for explanation and prediction.
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Scientific method
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____ is anything that has mass and occupies space.
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Matter
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According to the ____ : every compound must have a definite composition by weight.
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Law of Definite Composition
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___ is a state of matter, that has been heated to such a high temperature that the electrons have been ripped away.
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Plasma
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A ___ is a visual display used to view the change in one variable as compared with the change in another variable.
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Graph
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___ is the nearness of a measurement to its accepted value.
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Accuracy
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___ refers to the relative agreement between the numerical values of two or more measurements that were made in exactly the same way.
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Precision
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___ is a format used for writing numbers that are very large or numbers that are very small.
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Scientific Notation
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___ is a measure of the gavitational attraction on an object.
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Weight
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A ___ is anything that can be measured.
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Quantity
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___ is the systematic comparison between a knwon standard and an unknown quantity.
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Measurement
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___ is the amount of heat required to raise the temperatureof one gram of any substance by one degree centigrade.
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Specific Heat
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___ is a form of thermal energy associated with moving molecules
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Heat
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___ is the amount of mass per unit volume.
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Density
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___ is a measure of a sample's tendency to gain or lose heat.
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Temperature
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___ is the ability to do work
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Energy
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___ is energy in motion
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Kinetic Energy
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___ is stored energy
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Potential Energy
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___ is the coldest possible temperature. It is the temperature at which all molecular motion stops.
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Absolute Zero
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___ is the amount of force applied through a distance.
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Work
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___ is a method for determining the volume of a sample in the lab. It measures how much water is pushed out of the way.
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Water Displacement
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A(n) ___ is the curved surface at the top of a liquid layer.
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Meniscus
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According to the ___ : In any chemical or physical change that involves a transfer of energy; the total amount of energy before and after the change, must remain the same.
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Law of conservation of Energy
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___ is a measure of a sample's average kinetic energy.
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Temperature
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According to the ___ : In any chemical or physical change; the total amount of matter before and after the change, must remain the same.
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Law of Consrvation of Matter
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A ___ is a carfully devised set of plans and procedures used to obtain observations.
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Experiment
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___ is a tentative explanation for an observation.
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Hypothesis
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a ___ is a concise statement or mathematical equation concerning an observed relationship.
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Law
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___ is a tested explanation for a serires of observations developed over time.
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Theory
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___ is a state of matter with definite volume and definite shape
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Solid
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___ is a state of matter that has definite volume but no definite shape
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Liquid
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___ is a state of matter that has no definite volume and no definite shape.
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Gas
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___ is a type of substance that cannot be broken down by ordinary chemical means
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Element
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___ is a type of substance that consists of two or more elements that have been chemically combined
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Compound
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___ a material that consists of two or more substances that are not chemically combined.
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Mixture
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a ___ is a homogeneous mixture consisting of one substance dissolved into another
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Solution
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a ___ is a heterogenous mixture consisting of one substnace dispersed throughout another.
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Suspension
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A(n) ___ is the smallest particle for an elelment
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Atom
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A(n) ___ is the smallest particle of a compound.
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Molecule
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A(n) ___ is one or two letter representation for an element.
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Atomic Symbol
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A ___ is a short hand method for representing the composition of a substance
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Chemical Formula
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A ___ is a shorthand method of describing what occurs in a chemical reaction.
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Chemical Equation
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A ___ is a type of property that changes the identity of the sample when it is measured.
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Chemical Property
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A ___ is a type of property that does not chamge the identity of the sample when it is measured.
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Physical Property
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A(n) ___ is a type of property that DOES DEPEND ON THE AMOUNT OF SAMPLE. If you change how much your sample you have; this property would have a different value.
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Extensive Property
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A(n) ___ is a type of property that DOES NOT DEPEND ON AMOUNT OF SAMPLE, no matter how much of your sample you have this property would be the same.
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Intensive Property
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a ___ is a solid that falls out of solution when it is made because it is insoluble (does not dissolve)
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Precipitate
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___ are the numer of digits in a measurement that you know for sure, plus on more that is estimated
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Significant Figures
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