What is an atom
The smallest part of an element
Does an atoms have the same or different properties as the element
Different
What is a compound
A pure substance made up of two or more elements which are strongly joined together
What is a molecule
Made when two or more atoms chemically bond together
What is a mixture
Two or more elements or compounds are present not chemically bonded together
Why didnt scientists know much about atoms
They were too tiny too see with naked eye