Changes of State
Solids
Liquids
Gases
Chemical Eq's
100
This is a gas becoming a liquid.
What is condensation?
100
True/False: solids have a definite volume.
What is true?
100
Mixture of two of more substances that separate over time.
Suspension
100
Number in chemical formula which tells you how many atoms of each element are present in a compound.
Subscript
100
Does not dissolve in water
Insoluble
200
This is a solid becoming a liquid.
What is Melting?
200
Salt water is this type of solution; where parts are evenly distributed and no longer distinguishable.
Homogeneous
200
Suspensions and colloids do this to light
Scatter it
200
This group of elements has an oxidation number of +1.
Alkali metals
200
Name for electrons found in atom's outermost energy level
Valence
300
This is a liquid becoming a gas.
What is Evaporization?
300
Substance that does the dissolving
Solvent
300
Suspension in which particles are permenantly suspended
Colloid
300
This group of elements has a oxidation number of 0.
Noble gases
300
Oxidation numbers of elements involved in compound add up to this.
Zero (0)
400
This is a gas becoming a solid.
What is deposition?
400
Substance that is dissolved.
Solute
400
Example of a colloid in which a solid is suspended in a liquid.
Paint
400
Way of writing the name of a compound by using the elements' chemical symbols.
Chemical formula
400
How much of a substance can dissolve in 100 g of water at a given temperature.
Solubility
500
This is a solid becoming a gas.
What is Sublimation?
500
List the following in order of increasing boiling point: covalent network, ionic, molecular solid.
What is Molecular solid, ionic, covalent?
500
This part of a suspension is larger than atoms and molecules
Particles
500
Common name for NaCl.
Table salt
500
Water is this type of molecule which allows you to float a paper clip.
Polar
M
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n
u