Unit 3 Vocabulary

Mixtures

100

Physical combination with 2 or more substances

Mixture

200

Type of mixture that is evenly mixed

Homogeneous Mixture

300

Type of mixture that has visible different parts

Heterogeneous Mixture

Formulas and Equations

100

Shows the types and numbers of atoms in a compound

Chemical Formula

200

Big numbers placed before formulas in a chemical equation

Coefficients

300

Describes a substance made of 2 or more atoms chemically bonded

Molecule

Atoms

100

Smallest unit of an element

Atom

200

Represents number of protons in an atom

Atomic Number

300

A substance made of only one kind of atom

Element

Mass and Properties

100

Something that describes the amount of matter in an object

Mass

200

The law that states mass can't be destroyed or created in a chemical reaction

Law of Conservation of Mass

300

Characteristic that describes how a substance can change to a new one

Chemical Property

Reactions

100

A force that holds atoms together

Chemical Bond

200

Forms one or more new substances with different properties

Chemical Change

300

A process that changes substances into new ones with different properties

Chemical Reaction