1. Watch the following videos: - The class audio-presentation: 26-Atomic model & Atomic spectra. - Video 1. What is gas discharge tube? https://youtu.be/-1JcSaovkYg - Video 2. To get the data: https://youtu.be/oae5fa-f0S0 1. Draw the spectra lines in the boxes that appear in the Results section (Table 1. Atomic Spectra) for each element and for the white light (bulk) that you observed in the video 2. 2. - To draw the lines, you can use colored pencils, or in a word document go to tool bar, click insert - shapes - select a line and using the mouse to draw the line in the boxes. - To change the color of the line in word: right click on the line, select Format auto- shape/picture - colors and lines - select the color you want. 3. You must sketch the lines of the spectra of each element at the approximate location where they are observed. See the correct order of the colors in the right-side table. In the boxes, draw the lines starting from violet towards red.