Substance that cannot be broken down into other substances 

• Solution 
• Mixture
• Solid
• Element 

Two or more atoms joined together by chemical bonds. 

• Protons 
• Molecule
• Element
• Mixture 

Particle in the nucleus of an atom that has no charge. 

• Proton
• Neutron
• Electron 
• Nucleus 

Center core of an atom 

• Protons
• Neutrons 
• Electrons 
• Nucleus 

Particles in the nucleus of an atom that has a positive charge. 

• Protons
• Neutrons
• Electrons 
• Nucleus 

Shorthand way to describe the chemical makeup of a compound.

• Chemical Formula 
• Molecule
• Periodic Table
• Mixture 

Substance made of two or more different elements that chemically combined. 

• Compound
• Mixture
• Physical change
• Solution 

Change in the size, shape, or state of matter with no new matter being formed.

• Chemical Change
• Physical Change
• Element
• Compound

Change in matter that results in a new substance being formed

• Physical Change
• Chemical Change
• Mixture
• Solution 

Physical combination of two or more substances. 

• Compound
• Mixture
• Element
• Atom