Question

list the metals nonmetals metalloids used in house and school​

Answer 1

METAL USES Lead : Flashings/roof coverings Copper : Plumbing/roofs/decoration Zinc : Flashing substitute . Gold : Jewellery/finery Brass : Ornaments/decoration/screws . Bronze : Ditto Alloy of copper, zinc and tin. Aluminum: Cans/foil/lightweight parts Stainless Steel : Kitchen/car/decoration. Nickel silver : Knives/trays etc Alloy of copper, nickel and zinc.........No silver! Wrought iron : Gates/chains/fences Cast Iron : Boilers/gutters/fire grates Zinc plate : Screws/nails/rust proofing Copper plate : Base for Chromium plating Chromium plate : Trimmings eg knobs/handles Non-Metals used at home: neon- neon lights argon- light bulbs sulfur- matches chlorine- tap water helium- baloons nitrogen- potting soil Metalloids found at home: Boron : It is used in many cleaning products- detergents and bleaches. Silicon : Silicon parts are used in computers, transistors, solar cells, LCD screens and other semiconductor devices. Germanium : Create alloys in florescent lamps,Solar Cells,LEDs and other light emitting devices Arsenic : car batteries,added to animal food to prevent disease and to promote growth Antimony : used in machine bearings,used in way in the production of diodes, Hall effect devices and infra-red detectors, Tellurium : used in making ceramics, chalcogenide glasses, tinting glasses, Polonium : Polonium is used to eliminate static electricity produced during processes such as rolling paper, wire and sheet metal. Astatine : used as a radioactive tracer and in cancer treatment."

Answer 2

metals:-

1. utensils
2. nails

• non metals
• sodium
• potassium