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**Electrons & Light Lab** **<---Previous Assignment - Next Assignment--->media type="custom" key="6581859"** __** Instructions **__


 * //Make a new page on your wiki for this lab.//
 * //Title it "Electrons and Light Lab"//
 * //Copy everything and fill in the answers/charts on your wiki//

**__Lab__** Part 1: Gas Tubes
 * **Gas** || **Color of Gas Tube** || **Colors of spectral lines** ||
 * Florescent Lightbulb || White || entire spectrum (red -> purple) ||
 * Air ||  ||   ||
 * Argon ||  ||   ||
 * Bromine ||  ||   ||
 * Carbon Dioxide ||  ||   ||
 * Chlorine ||  ||   ||
 * Helium ||  ||   ||
 * Hydrogen ||  ||   ||
 * Iodine ||  ||   ||
 * Krypton ||  ||   ||
 * Mercury Vapor ||  ||   ||
 * Neon ||  ||   ||
 * Nitrogen ||  ||   ||
 * Oxygen ||  ||   ||
 * Water Vapor ||  ||   ||
 * Xenon ||  ||   ||

Part 2: Flame Tests


 * **Element** || **Flame Color** ||
 * Sodium (Na+) ||  ||
 * Potassium (K+) ||  ||
 * Calcium (Ca2+) ||  ||
 * Barium (Ba2+) ||  ||
 * Strontium (Sr2+) ||  ||
 * Lithium (Li+) ||  ||
 * Copper (Cu2+) ||  ||
 * tin (sn) ||  ||

1. An unknown gases is viewed using a spectroscope. Since each pattern is unique to that element or compound, could it be identified this way? 2. Helium was first discovered on the sun (sun = helios) using the same method as in this lab. With //complete sentences// explain how helium could be found on the sun without anyone or anything ever traveling to the sun to collect it.
 * Questions:**
 * Questions**

3. Use the color of the flames from the first table to match up the elements used in each of the plastic candles.

Element in Red Plastic Candle:

__Element in Orange Plastic Candle:__ _

Element in Green Plastic Candle:

Element in Blue Plastic Candle: _

Element in Purple Plastic Candle:

.