How can matter be divided?
•Impure
•Pure
~Elements and Compounds
What is a name for an impure substance?
Mixture
What is the main difference between pure and impure substances?
A pure substance is chemically bound and cannot be separated whereas an impure substance is a mixture that can be separated by physical methods.
What is an element?
An element is a simple substance containing only one kind of atom which cannot be broken down into simpler substances during a chemical reaction.
What is an atom?
An atom is the simplest particle into which matter is broken up.
What are elements classified as?
Metals and Non-Metals