CH11 – PT Trends

Dates

• P4 – Wednesday, September 20th
• P5 – Wednesday, September 20th
• P7 – Wednesday, September 20th

Quiz

• Spectrum Quiz
• 15 minutes only
• 20 pts
• All equations / constants provided

Recap – Electron Configuration

• what is point of electron configuration?
• how do I use the PT to do this?
• what about ions?
• what about excited states? (Class 12)
• isoeletronic species? (Class 12)
• PTable.com is THE BEST!

New Idea – Trends Acros the PT

• ionization energy
• atomic radius
• how can they be connected to the idea of electron configurations?

Homework

• Ch. 7 (81, 85, 93, 101, 105, 107)
• This HW due (collectable) on the day of the test