classifying matter
has mass and takes up space
what is matter?
represents the name of the element
what is a symbol?
types of mixtures
heterogeneous and homogeneous are the 2 categories
color, mass, and shape are examples
what are physical properties?
the ability to burn
what is flammability?
element
what is the simplest substance that cannot be broken down?
symbol for Hydrogen
H
all mixture components are evenly distributed, same top-->bottom, left--> right
what is a homogeneous mixture?
can be measured with a thermometer?
what is the temperature?
the capacity of one substance to combine with another substance
what is reactivity?
it is made up of the elements and compounds
piure substances
symbol for oxygen
O
trail mix or air
what is an example of a heterogeneous mixture?
temperatures used to identify the elements
melting or boiling points
new substances
what is produced by a chemical change?
It can be represented by a symbol.
what is an element?
hydrogen and oxygen
what are the elements found in water?
a mixture that is not well-mixed
what is a heterogeneous mixture?
the mass/volume that could be used to identify an element
what is density?
examples are cutting, or shredding
what is a physical change?
it is a substance that is not a compound or element
what is a mixture?
periodic table
where are all elements are found?
what a mixture is made of
elements, compounds, or elements and compounds
what can be conducted that is an example of a physical property
electricity and heat
the type of change that does not produce a new substance
what is a physical change