Periodic Table: Alkaline Earth Metals & Halogens from 6oqxvx3sbok Watch Video
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Description: We'll keep working our way in from the edges of the periodic table. Group 2 is known as the Alkaline Earth Metals and, as predicted, are less reactive than group 1. Group 17 is known as the Halogens and is extremely reactive due to its desire to gain one more electron. Enjoy!nnMagnesium fire can't be put out with water: http://youtu.be/qrjYb1Oy-PcnMagnesium fire can burn in carbon dioxide: http://youtu.be/_xCbal2YyaEnRare look at elemental fluorine: http://youtu.be/vtWp45EewtwnChlorine gas in WW
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