Why is magnesium a bad conductor of electricity?
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Magnesium should not conduct electricity. It is in group 2 of the periodic table with two electrons in its valence shell, and the s-subshell can only accommodate two electrons. With a full subshell, the electrons can not conduct in the metal.
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However besides that, magnesium is a bad metal to make electrical contacts and wires from. Pure magnesium forms a hard, thin oxide on the surface on contact with air. The oxide is very low conductivity. So electrical equipment with it as a conductor would have to be treated to remove the oxide and connected right away with an air tight connection.
• Explain why magnesium is a good conductor of electricity whereas sulfur is a non-conductor. Answer: Magnesium has delocalized electrons whereas sulfur’s electrons are fixed in a covalent bond Giant Covalent Structure
Because it contains some dissolved calcium and magnesium salts, which are good conductors of electricity. Pure water is a bad conductor of electricity . so by the addition of impurities water can conduct electricity and pure water or distilled water cannot conduct electricity .
It reacts with water yielding hydrogen. So it is unsuitable as an electrical conductor on Earth. On Luna in a vacuum, inert atmosphere or reducing atmosphere it could serve as an electrical conductor. Magnesium. Magnesium is not an especially good conductor, being less conductive than aluminum but it is lighter. It has some other major drawbacks which make it completely unsuitable for use in electrical installations.