This state of matter has a definite shape and definite volume
solid
What is Melting and Freezing?
Melting- Solid to liquid
Freezing- Liquid to Solid
A property of matter you can observe or measure. Ex: Density, state of matter, solubility, odor
What are the 3 subatomic particles
proton, neutron, and electrons
Which state of matter take the shape of its container but keeps the same volume
Liquid
This state of matter has the most Kinetic Energy
Gas
Water Vapor forms droplets on the outside of a cold glass. What change of state occured?
Condensation
A chemical property is one that can be observed as it changes into a new substance
What particles would you find in the nucleus of an atom?
Protons and Neutrons
If an object has a mass of 50g and volume of 10mL. What is the Density?
5g/mL
This state has no definite shape or volume and its particles are spread apart
Gas
Which property describes how much matter is in an object?
Mass
Chemical
What does the Atomic Number tell you about particles in a neutral atom?
The # of Protons or electrons it has
If an atom has 12 protons and 12 electrons what is the overall charge of the atom?
Neutral
What is sublimation?
When a Solid changes directly to a Gas
What is solubility?
The ability of a substance to dissolve in another substance
What is a phase change?
A change of matter is when a substance changes from one state to another
An atom has an atomic number of 8. How many protons does it have?
8
What is Evaporation?
When a liquid turns into a gas
What does an increasing line on a phase change graph represent? 
Increased thermal and kinetic energy
5 g/cm3
Why are properties of matter important?
Allows scientists to correctly identify and classify matter
14
54, 131, 54, 77, 54