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Bell: 10/3. No Bell: Quiz Day Objective: Understand the nature of Ionic Compounds. Predict the Ionic compound formed by two ions. Announcements. Bells due today Periodic Trends WS due today. Naming Ions. Cations: Anions:. Octet Rule. The highest energy level is the most stable with
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Bell: 10/3 • No Bell: Quiz Day • Objective: • Understand the nature of Ionic Compounds. • Predict the Ionic compound formed by two ions.
Announcements • Bells due today • Periodic Trends WS due today
Naming Ions • Cations: • Anions:
Octet Rule • The highest energy level is the most stable with 8 valence electrons. 1s2 2s2 2p6 1s2 2s22p6 3s23p6 4s2
Salt Cube Grain of Salt Block of Salt
Crisscross Method • Example: Li and Cl
Crisscross Method • Example: Calcium and Iodine
Naming Ionic Compounds • Metal: • Non-metal • NaCl: • CaI2
Watch out for • Polyatomic Ions!
Example: Magnesium Carbonate • Mg2+ and CO32-
Example: • Be + F => BeF2
Homework • Ionic Bonding Worksheet • due Tuesday, 10/7