CH14 – Names!

Dates

• P1 – Wednesday, September 28th
• P3 – Thursday, September 29th
• P5 – Wednesday, September 28th

Class Business

• I will return exams after everyone has taken the exam
• Breathe… it will be OK!

New Material – Chemical Formulas

• Oxidation States – what are they?
• How do I predict oxidation states?
• many elments have different options
• Patterns AND memorization
• Formulas – sum = zero
• examples
• polyatomic ions behave as a single unit
• examples

Homework

• Study for Quiz on “Oxidation States”
• Class 16 class will start with this
• sorry but this time memorization is necessary