You first get a bowl of tap water, get a test tube with the argon in it. Take out the cork screw out of the test tube. Get a splint put it over the test tube when you open it and it it pops that means it is a metal
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Sulpher is non-existent. Sulphur is a non-metal.
calcium is a metalloid as it stands between metal and non metal as it doesn't have all the porperties of metal. calcium oxide is not an element so neither metal or non metal it is a compound
metal and non metal usually combines to form complexes. as the valecy to be satisfied by both does not let them to form simple compounds with each other
A metal is classified as a ferrous metal if it has steel in it , tip (if a magnet sticks to a metal, it is ferrous) A metal is classified as a non-ferrous metal if it has no steel in it, tip (if a magnet does not stick to a metal, it is non-ferrous) Non-ferrous metals: Brass Copper Nickel Tin Ferrous metals: Steel Iron
Table salt is neither of those. It is a compound which is Solid in room temperature It mainly consists of Sodium Chloride (NaCl). It is composed Sodium(Metal) and Chlorine(Non-Metal)