Chapter 4 Flashcards
1
Q
What is an element?
A
A pure substance that cannot be broken down into two or more simpler substances by chemical processes.
2
Q
What are atoms?
A
They are the smallest particles of an element that have the chemical properties of that element.
3
Q
What is a molecule?
A
It is a group of two or more atoms that are chemically combined (joined together).
4
Q
What is a compound?
A
A pure substance containing two or more elements that are chemically combined in a fixed ratio.
5
Q
What is a mixture?
A
A mixture is made up of two or more substances that are not chemically combined.
