Describe:

• the information in a periodic table.
• trends among the elements for atomic size.
• how cations form
• three properties of ionic compounds

Determine

• the number of valence electrons in an atom of a representative

Distinguish:

• representative elements and transition metals.

Explain:

• how elements are organized in a periodic table.
• how ions form.
• how anions form.
• how the octet rule applies to atoms of metallic and nonmetallic elements.
• the electrical charge of an ionic compound

Identify:

three broad classes of elements.