matter
matter classification flowchart
matter
pure substance. mixture
compounds. elements. homogeneous heterogeneous
anything that takes up space and has mass
matter
can be observed without changing the identity of the substance
physical properety
fixed volume and shape
particles are held tightly together in a rigid structure
particles have a low kinetic energy so motion is limited
solid state
kinetic molecular theory
all matter is made up of small particles
The particle are in constant random motion
The motion causes the particles to collide with each other and the container they are in
a mathematical relationship; sometimes structure fo compound
chemical formula
substance
all the particles in the matter is the same
can only be observed by changing the identity of the substance
chemical properety
fixed volume but no fixed shape
particles can flow or slide past each other
liquid state
deposition
gas changes to a solid without first changing to a liquid
heterogeneous mixture
substances in the mixture are not spread out evenly; example: salad dressing
compound
2 or more elements chemically combined in a fixed proportion
what is melting/boiling
physical propereties
no foxed volume no fixed shape
if confined will spread across whole container
gas state
condensation
gas changes to a liquid
homogenous mixture
components are evenly distributed out on a microscopic level; example air, water
element
simplest form of matter from which more complex substances are made
what is flammability
chemical properety
point at which a solid is becoming a liquid
melting/ heat of fusion
sublimation
solid changed to a gas without first changing to a liquid
diatomic molecule
composed of only two atoms of either the same or different elements
molecule
a particle made when 2 or more atoms join together
physical properety
point at which a liquid is become a gas
boiling/ heat of vaporization
vaporization
liquid changes to a gas