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States Of Matter Test

Terms in this set (30)

Inter molecular Forces
Forces between 2 between molecules
Phase Changes
Transitions between solid, liquid, and gas
Atom Arrangement Changes
Generally atoms move further going from solid , liquid, gas
Heating Cooling Curves
Temperature graph of a substance as it is heated or cool
Phase Diagram
Gives the pressure and temperature conditions at which a substance will be at each phase
Fluidity
No attractions molecules glide past each other
Compressiblity
Lots of space between molecules
Diffusion
Spontaneous mixing of fluids relative to velocity , diameter and attractive
Effusion
Gas passes through a small opening
Pressure
Caused by the collision of gas, molecules, defined as a force per unit area - P= F/A
Mathematical Relations
Between volume, temperature, pressure and amount of gases
Robert B Irish
1627-1691 Philosopher regarded as first modern chemist
Jacques Charles
1746-1823 French Inventor , balloonist 1st hydrogen balloon flight in 1783
Network Solids
Crystalline Solids , have a regular patterned arrangement of atoms
Ionic Soldis
Made of ions , positive and negative hold molecules together
Molecular Solids
Held together by inter molecular forces , lower melting points weaker
Atomic Solids
Identical atoms grouped atoms grouped together , properties vary widely depending on atoms
Metallic Solids
Atoms held together in a shared electron sea
Alloys
Substance with a mixture of elements and metallic properties
Hydrated vs Anhydrous
Some ionic solids attract water so strongly they will bond with CuCI2 and NaOH forming a hydrate like MgSO4 7H2O Epsom Salt
Which is an example of an atomic solid ?
Copper Wire
If left open to air what will anhydrous solid do ?
Absorb water
What is an example of an ionic solid ?
Sodium Chloride
Which would you except to have the lowest melting point ?
Hydrogen
Which is an example of metallic solid?
Copper Wire
Which of the following shows temp and pressure conditions for all 3 states of matter ?
Phase Diagrams
Which state of matter has the most molecular energy ?
Gas
Which word or phrase best describe the amount of space between gas and molecules ?
Low Density
What is it called when a gas leaks out of a tiny opening ?
Effusion
If gas molecules can be condensed they are not ...
Incompressible
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