In our Grade 9 Chemistry class we think of the subject as a great puzzle, leveling-up as we add new concepts. The key to the puzzle is the periodic table: learning your way around – and how describe what you know and interpret the descriptions of others.

In this video, from the Crash Course Chemistry series, Hank goes over:

• Determining Formulas and Names of Monatomic Ions 2:06
• Finding Cation-and Anion Forming Elements on the Periodic Table3:29
• Writing Formulas and Naming Transition Metals 4:02
• Naming Acids and their Anions 5:35