Conductivity, Viscosity, and Malleability are all examples of...?
Physical Properties
200
Reactant
The starting material in a chemical reaction
200
What is Matter?
Anything that has mass and volume and takes up space
300
What are the basic pure substances?
Elements and compounds
300
What must happen to have a phase change?
Energy must be added or taken away
300
What is the difference between chemical and physical properties?
Chemical Properties describes the way a substance reacts when it changes. Physical Properties are characteristics of a substance that can be observed without changing the substance
300
What are some signs that chemical change has occurred?
Color Change, Release of heat, Gases created, Odor change, Formation of precipitation.
300
What is Phase change?
going from a solid to liquid to gas and back down.
400
What are the four types of mixtures
Heterogenous,Miscible,Immiscible,Homogenous
400
How do you get Deposition?
Going to gas to a solid
400
Whats an example of Malleability
Gold
400
What are the signs that physical change has occurred?
Shape has changed, Color was changed by someone, Texture change, Dissolving, phase change
400
What is Reactant?
The starting materials in a chemical reaction
500
How do you tell the difference between a Homogenous and a Heterogenous mixture?
Heterogenous are mostly solid substances that do not mix well. Homogenous are substances that do mix well
500
What is Law of Conservation of Energy?
Energy cannot be created or destroyed
500
what is the mass per unit volume of a substance?
Density
500
What is the difference between chemical and physical changes?
Chemical change is when a substance changes into one or more new substances. Physical change is when a substances appearance changes