Unit 1 - Chemistry

Particle with a positive charge, found in nucleus, mass of 1.

• Proton

• Neutron

• Electron

• Ion

Particle with no charge, found in the nucleus, mass of 1.

• Proton

• Neutron

• Electron

• Ion

Particle with a negative charge, found orbiting the nucleus, mass is essentially 0.

• Proton

• Neutron

• Electron

• Ion

The smallest component of an element.

• Atom

• Molecule

• Compound

A substance made up of atoms of only one kind.

• Element

• Compound

• Mixture

A substance that is two or more different elements chemically combined in a specific ratio.

• Element

• Compound

• Mixture

The part labeled "a."

• element symbol

• atomic number

• atomic mass

• element name

The part labeled "b."

• element symbol

• atomic number

• atomic mass

• element name

The part labeled "c."

• element symbol

• atomic number

• atomic mass

• element name

The part labeled "d."

• element symbol

• atomic number

• atomic mass

• element name