Chemistry Honors – Class 13

What element is this?

Dates

• Period A: Thursday, September 17th
• Period B: Friday, September 18th
• Period F: Friday, September 18th

Activity – Line Spectra

Introduction

• how do scientists know about electrons?
• what evidence do they have?

Instructions

• spectrum tubes and power supplies
• how to use Spectrometers
• rotate among five stations
• briefly write / draw procedure / lab in iPad
• draw what you see (the data) on your iPad
• Be sure and label your results properly

Post-Activity Questions

• Describe what is common between the light from each tube
• Describe what is different between the light from each tube
• How is sunlight different in the light that is emitted?
• How might this be used in science or astronomy?

Homework

• notes: Chapter 7 (PDF to Schoology HW07)  due Wednesday
• submit class work from this spectrum lab activity (PDF to Schoology LW04)

Coolness