Understanding Matter
Anything that occupies space and mass
Matter!
Amount of Matter in an object
Mass
______ can be physical, chemical, or nuclear.
Properties
a pure substance that consists of the same atomic number
element
In a solid, the molecules are...
Slow moving, structured
There are ____ states of matter.
What are they?
4
Solid, Liquid, Gas, Plasma
mass of matter contained withing a particular volume
Denisty
a material made of only one kind of element or compound
pure substance
a pure substance consisting of atoms of two or more different elements that are chemically combined
example: Table Salt (NaCl)
Compound
In this state of matter, the volume is fixed
Solid
a given chemical compound always contains its component elements in a fixed ratio
Law of Definite Proportion
Volume
not a pure substance
mixture
basic units of matter
Atom
the molecules in this state of matter are fast-moving and widely spread, what am I?
Gas (Vapor)
the erratic random movement of microscopic particles in a fluid
Brownian Motion
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density?
2.7 g/mL
uniform appearance
homogeneous
Give an example of a heterogeneous mixture
Ex:
- Lava lamp
- oil and water
- cookie
- ice cream sunday
Sun and stars are an example of this state of matter
Plasma
spreading of something more widely.
Diffusion
Find the volume of a cube of side length 10 cm.
1000 cm3
substances that are unevenly distributed
heterogeneous
Give an example of a homogenous mixture
Examples:
- tea
- chocolate bar
- salt water
The particles in liquid are
close, able to move past one another (medium mobility)