Classifying Matter

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matter

pure substance contains only kind of

100 elements organized and found

Periodic Table

is made up of two or more elements

compound

separating a compound requires a 

chemical reaction 

substance containing two or more

elements or compound

mixtures that are uniform, meaning “the same throughout” are called 

Homogenous 

Mixtures that are non-uniform, meaning “NOT the same throughout” are called 

Heterogenous 

An object would be considered matter if it has

mass and volume

An element ———- be separated into simpler materials 

cannot

In an compound, atoms are ——— combined (bonded) in some way 

physically

The properties of a compound are usually ———- than the properties of the elements it contains.

different 

Mixtures can be separated into their components by ——— means. 

chemical

3 observations that would be physical properties

Color, Density and Odor

3 observations that be chemical properties

Flammability, Reactivity and Acidity

How are Chem and Physical prop different?

Physical properties can be observed without changing what the substance is.
Chemical properties can only be observed when the substance changes into something new.