Phases of Matter
Keeps its shape and has a definite volume
Solid
Type of matter made from 1 type of atom
Element
Order the phases of matter from least dense to most dense
Gas, solid, liquid
Define mixture and provide an example
2 or more substances that keep their identities
Fruit salad
What is chemical change and provide an example
With chemical weathering, a new substance is formed. It changes chemically.
Rusting car, burning wood
Takes shape of container and has no definite volume
Gas
2 or more atoms joined chemically together.
Must be same type of atom
Molecule
Rank in size the 4 parts of matter we studied
Atom, element, molecule, compound
Define a solution and give an example
A mixture that has the same composition throughout and cannot be easily separated.
Gasoline
Define physical change
Deals with your senses and the base material stays the same.
Change color, changes shape
Has a definite volume and keeps shape of container
Liquid
2 or more atoms joined together chemically. Must be different types of atoms
Compound
What are the 3 parts of an atom and what is the charge of each
Proton- positive
Neutron- neutral
Electron- negative
Saltwater is a
Mixture
Element or compound and what is this
H2O
NaCl
Compound
Water
Table salt
2 of these phases flow easily
Liquid, gas
Atom
Matter can be created and destroyed
False, it can only change form
All ___________ are ___________, but all ________ are not _____________
solutions, mixtures, mixtures, solutions
What are these , an element or compound
and name them.
K He H C
Elements
Potassium
Helium
Hydrogen
Carbon
Very compressible
Gas
Matter
Anything that takes up space and has mass
Which has the higher density: Carbon Dioxide or
Fruit salad
Fruit salad
What is the main difference between a mixture and a solution
Mixture can be seperated back to its original components.
Solution can not be easily separated and the parts spread evenly throughout the solution
A solid has a density of .5, if its mass is 10 g, what is its volume
20 cm3
D=M/V