States of Matter
Properties and Changes
Intensive or Extensive
Mixtures
Elements and Compounds
100
State(s) of matter is/are NOT easily compressible
What are solid and liquid?
100
A characteristic that can be observed or measured?
What is a property.
100
Mass
What is extensive?
100
A mixture is ______________________.
What is a combination of 2 or more pure substances in which each pure substance maintains its individual chemical properties.
100
A pure substance that cannot be broken down into a simpler substance.
What is an Element.
200
A form of matter that has atoms in a fixed position vibrating.
What is a solid?
200
A change of matter from one state to another. This is ALWAYS physical.
What is a Phase change?
200
Hardness
What is intensive?
200
Solutions are also called ______________ mixtures.
What is Homogeneous.
200
Dmitri Mendeleev organized elements into this grid of periods and families.
What is the Periodic Table.
300
This state of matter moves constantly and will fill whatever container it is in.
What is gas?
300
Provide 3 examples of a physical property.
What is Density, color, odor, hardness, melting/boiling points, etc.
300
Conductivity
What is intensive?
300
Provide an example of a homogeneous and a heterogeneous mixture.
What is Salt water and Italian dressing, etc.
300
States that a compound is always composed of the same elements in the same proportion by mass.
What is the Law of Definite Proportions.
400
Define liquids in terms of shape.
What is Liquids have not definite shape, they take on the shape of their container.
400
Provide 3 examples of a physical change.
What is Cutting, breaking, melting, freezing, etc.
400
Volume
What is extensive?
400
The result of a super-saturated solution.
What is Crystallization.
400
Provide an example of the Law of Multiple Proportions.
What is water and hydrogen peroxide.
500
Define gases in terms of shape and volume.
What is No definite shape or volume.
500
I take a bit of an apple and leave it on the counter. After a few hours the apple has turned brown. I observed this type of change.
What is a chemical change?
500
If I have 2 beakers with 100mL each with a density of 789 kg/m³ and i combine them into one beaker the density of the beaker should be...
What is 789 kg/m³ because it is an INtensive value?
500
The two "phases" associated with Chromatography.
What is Stationary and mobile.
500
If I know the mass, color, volume, density and boiling point. This is the BEST piece(s) information to help me identify the substance.
What is 93.0%
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