What is the organized study of the composition and interactions of matter?
Chemistry
What is the greatest discovery of modern chemistry that provides the foundation for understanding matter?
Atomic theory of matter
Who proposed the atomic theory of matter?
John Dalton
What are the tiny particles that Dalton proposed matter is composed of?
Atoms
What are substances composed of a single type of atom?
Element
What are substances composed of atoms of two or more elements?
Compounds
What is the unique abbreviation each element has?
Chemical symbol