Objectives

Define element and compound.

Describe the structure of atoms.

Define and distinguish among atomic number, mass number, atomic mass, and valence.

Given the atomic number and mass number of an atom, determine the number of neutrons.

Explain how electron configuration influences the chemical behavior of an atom.

Explain the octet rule and predict how many bonds an atom might form.

Define electronegativity and explain how it influences the formation of chemical bonds.

Describe the formation of a hydrogen bond and explain how it is differs from a covalent or ionic bond.

Describe the concept of chemical equilibrium.