Chapter 2: Elements, Compounds and Mixtures Flashcards
What is an element?
An element is a pure substance that is made up of only one type of atom and cannot be broken down into two or more simpler substances by chemical processes
What is an atom?
An atom is the smallest particle of an element that have the chemical properties of that element
What is a monatomic element?
A monatomic element is an element that exists as individual atoms (are stable as single atoms)
What is a molecule?
A molecule is a group of two or more atoms that are chemically combined
What is a diatomic molecule?
A diatomic molecule is formed by the combination of two atoms
What is a compound?
A compound is a substance containing two or more elements that are chemically combined in a fixed ratio
What is a mixture?
A mixture is made up of two or more substances that are not chemically combined
