Anatomy and Physiology Chapter 2 Study Guide

What are the three forms of matter?

• Solid

• Metal

• Liquid

• Gas

What is the smallest particle exhibiting

• Atom

• Particle

• Element

• Molecule

Has no charge

• Proton

• Electron

• Neutron

Has a positive charge

• Electron

• Proton

• Neutron

Has a negative charge

• Proton

• Neutron

• Electron

Elements tend to lose, gain, or share electrons to obtain
complete outer shells with eight electrons

• Octet rule

• eight rule

• electron rule

Stable associations between two or more elements
combined in a fixed ratio

• chemical compound

• ionic compound

• molecular compound

Structures composed of ions held
together in a lattice by ionic bonds

• Ironic compounds

• Molecular compounds

• Ionic compounds

Atoms with positive charge

• Cations

• Anions

Atoms with a negative charge

• Anions

• Cations