Experiment 9: Atomic Emission Spectra

Question 1

Purpose of Experiment 9

Answer 1

Identify substances by analyzing the light they emit from applying a lot of energy

Question 2

Procedure: Project STAR

Answer 2

1. Point the spectra at the H and He tubes and record their wavelengths, colors, and intensities

Question 3

Procedure: Ocean Optics

Answer 3

1. Point the fiber optic at the lights and record the spectrum
2. Record the wavelengths and intensities of the H and He tubes

Question 4

Procedure: Flame Test

Answer 4

1. Clean the platinum wire with acid

2. Record the color of 8 salts when held over a fire

Question 5

Rydberg’s equation

Answer 5

1/wavelength=R((1/n(1)^2)-(1/n(2)^2))