Physical and Chemical Change Test

toxic
is or acts like a poison
poison
toxin that destroys or impairs life
flammable
able to catch on fire
volatile
evaporating rapidly
corrosive
an object that corrodes or eats away
oxidizer
an object that turns an element into a compound combined with oxygen
caustic
capable of burning, corroding, or destroying living tissue
matter
anything that has mass or volume
volum
space the object occupies
mass
quantity of matter contained in the object
weight
force produced by gravity acting on mass
density
ration of mass to volume ( m/v )
physical property
charicteristic not involving chemical change ex color
chemical property
substances ability to chemically react ex burning glass
what are the top 3 chemicals made in the us in order
1. sulfuric acid 2. ethene 3.propylene
what are 4 evidence of chemical change
1. productiokn of gas2. formation of a precipitate3. release/absorption of energy 4. change of color
molecule
2 or more atoms
element
1 kind of atom
mixture
combination of 2 or more substances that are chemically combined
compound
pure substance that is not an element
homogeneous
a type of mixture that cannot be seperated ex chocolate milk
heterogeneous
can be seperated ex salad
poison
toxin that destroys or impairs life
flammable
able to catch on fire
volatile
evaporating rapidly
corrosive
an object that corrodes or eats away
oxidizer
an object that turns an element into a compound combined with oxygen
caustic
capable of burning, corroding, or destroying living tissue
matter
anything that has mass or volume
volum
space the object occupies
mass
quantity of matter contained in the object
weight
force produced by gravity acting on mass
density
ration of mass to volume ( m/v )
physical property
charicteristic not involving chemical change ex color
chemical property
substances ability to chemically react ex burning glass
what are the top 3 chemicals made in the us in order
1. sulfuric acid 2. ethene 3.propylene
what are 4 evidence of chemical change
1. productiokn of gas2. formation of a precipitate3. release/absorption of energy 4. change of color
molecule
2 or more atoms
element
1 kind of atom
mixture
combination of 2 or more substances that are chemically combined
compound
pure substance that is not an element
homogeneous
a type of mixture that cannot be seperated ex chocolate milk
heterogeneous
can be seperated ex salad
x

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