Shares & Saves. Save. Xenon and halogen lights use a gas to help increase bulb effectiveness, but there are several key differences between them. Halogen lights are an older type of bulb that uses halogen gas primarily as a buffer and backup system, while xenon lights depend wholly on xenon gas to produce light.
Magnesium chloride is the name for the chemical compounds with the formulas MgCl 2 and its various hydrates MgCl 2 (H 2 O) x. These salts are typical ionic halides, being highly soluble in water. The hydrated magnesium chloride can be extracted from brine or sea water.
The name of the element magnesium was derived from Magnesia which  is a Greek district in Thessaly. This metallic element is one of  the most abundant elements on Earth and â¦ makes up a huge portion of  its mantle.Answered.In Elements and Compounds.he name of the element magnesium was derived from Magnesia which  is a Greek district in Thessaly. This metallic element is one of  the most abundant elements on Earth and â¦ makes up a huge portion of  its mantle. Answered. In Elements and Compounds.