Elements and Compounds

Characteristic of a substance that can be observed or measured without changing the identity.

• qualitative

• physical property

• quantitative

• chemical property

The simplest type of substance with only one type of atom.

• compounds   

• metals

• elements

• nonmetals

The most abundant element by mass on earth?

• calcium

• Iron

• carbon

• potassium

Characteristics that describe how matter changes its chemical structure or composition.

• chemical property

• boiling point

• Hydrogen

• density

It cannot be separated through a chemical or physical means

• pure substance

• compound

• element

• chemical substance