Elements/Compounds
What is the definition of matter?
Anything that has mass and takes up space
What is a mixture?
A mixture is a matter that can very in composition
What is a physical property?
A characteristic of matter that you can observe without changing the identity of the matter
What is a chemical property?
A characteristic of matter that can be observed when changes
is a change in state of matter physical or chemical
it is a physical change
What are the two types of substances?
Element & Compounds
What does dissolve mean?
What is a size dependent property?
It's a physical property that depends on the size or amount of matter
What are three sign of chemical change?
Changing odor, color, or energy
what is waters boiling point in Fahrenheit
212 degrees
What is a(n) atom?
A small particle that is the building block of matter
What is a homogeneous mixture?
A type of mixture that is evenly mixed
What is a size independent property?
A physical property that does not depend on the amount of matter present
What is a balanced chemical equation?
Balanced equation show the conservation of mass
what is a objects melting point
when a object turns from a solid to a liquid
(True or False) A substance composition can be different
False, Composition is always the same in a substance
Is lemonade a heterogeneous mixture or a homogeneous mixture?
Lemonade is a homogeneous mixture
Is mass and volume size dependent or independent?
The amount of substance in a certain volume
what is it called when a gas changes to a liquid
condensation
Is CO2 a Compound or an Element
Compound
Can mixtures be separated?
Yes, by physical methods
What is solubility?
The ability of one substance to dissolve in a other
What are three things that determine the rate of chemical reactions?
Temperature, Concentration, Surface area
what is it called when a gas changes to a solid
Deposition