Answer:Many elements can be found in a typical house. These include: oxygen and nitrogen (in the air), carbon (in pencils and charcoal), copper (in electrical wiring and plumbing), iron (in steel, nails, and utensils), aluminum (in foil and cans), sodium (in salt), calcium (in milk and toothpaste), and silicon (in glass). Other elements like tungsten (in light bulbs), argon (in light bulbs), phosphorus (in matches), and mercury (in thermometers) can also be found.