Ch 2 Vocab Flashcards
Element
Simplest type of matter with unique physical and chemical properties
- consists of only one type of atom and therefore cannot be broken down into a simpler type of matter
- each element is unique because the properties of its atoms are unique
Simplest type of matter with unique physical and chemical properties
- consists of only one type of atom and therefore cannot be broken down into a simpler type of matter
- each element is unique because the properties of its atoms are unique
Element
Molecule
Independent structure of two or more atoms bound together
Independent structure of two or more atoms bound together
Molecule
Diatomic
Two atom molecule
Two atom molecule
Diatomic
Macroscopic properties
Color
Density
Combust ability
Compound
Consists of two or more different elements that are bonded chemically
The elements are present in fixed parts by mass
Each unit of the compound consists of a fixed number of atoms of each elements
It’s properties are different from the properties of its component elements
Consists of two or more different elements that are bonded chemically
The elements are present in fixed parts by mass
Each unit of the compound consists of a fixed number of atoms of each elements
It’s properties are different from the properties of its component elements
Compound
Chemical change
Chemical breaking down of a compound
Chemical breaking down of a compound
Chemical change
Mixture
Consists of two or more substances (elements and or compounds) that are physically intermingled.
The components can vary in their parts by mass.
Retains many of the properties of its components
Consists of two or more substances (elements and or compounds) that are physically intermingled.
The components can vary in their parts by mass.
Retains many of the properties of its components
Mixture
