Molecule
2 or more atoms bounded together
Chemical bond
Connection between atoms.
Model
Representative at an object
Chemical formula
The atoms (letters and numbers that make up a molecule)
Chemical structure
The specific way that atoms are arranged
Crystal
Structure of atoms or molecules in a 3D pattern
Polymer
Structure of molecules in a repeating chain pattern
Extended structure
A molecule whose atoms occur in a consistent ratio and repeating pattern.
Ratio
A quantity relationship between 2 things