Mixture
a blend of two or more kinds of matter each of which retains its own identity and properties
Homogeneous Mixture
mixtures that are uniform to composition
Solutions
Homogeneous mixtures
Heterogeneous
not uniform throughout
Pure Substance
A fixed composition that differs from a mixture
Chemistry
The study of the composition, structure, and properties of matter and the changes it undergoes.
Chemical
Any substance that has a definite composition
Mass
A measure of the amount of matter
Matter
anything with mass that takes up space
Atom
the smallest unit of an element that maintains the properties of an element
Element
a pure substance made of only one kind of a atom
Compound
A substance that is made from the atoms of two or more elements that are chemically bonded
Extensive Properties
depend on the amount of matter that is present
Intensive Properties
do NOT depend on the amount of matter present
Physical Property
a characteristic that can be observed or measured without changing the identity of the substance
Physical Change
a change in a substance that does not involve a change change of identity
Change of State
a physical change of a substance from one state to another (change of identity)
Solid
Matter of state in which there is a define volume and shape
Liquid
matter of state in which there is a define volume but no definite shape
Gas
matter of state in which there in no defined shape or volume
Plasma
a high temperature physical state of matter in which atoms lose their electrons
Chemical Property
a substances ability to undergo changes that transform it into different solutions
Chemical Change
a change in which one or more substances are converted into different substances
Reactants
The substances that react
Products
The substances that are formed by the chemical change