Table salt is NaCl.
Baking powder is NaHCO3.
Table sugar is C12H22O11.
Vinegar is a 4% or 5% solution of acetic acid, HC2H3O2.
Aspirin is acetylsalicylic acid.
Almost anything you see and/or touch is an element or a compound. All of those above are compounds. Copper metal, lead metal, aluminum metal are elements. The tires on cars, all plastics, knives, forks, spoons, the water you drink (H2O), the soda you drink, the food you eat, the gasoline for cars and airplanes,---all are compounds. In fact, there aren't many things you can think of that is not a compound or an element.
I just reread my response and I think I made a terrible grammar error.
--In fact, there aren't many things you can think of that aren't compounds or elements.
...there aren't many things you can think of that is not a compound or an element
A vacuum? 8-))
metric units are related to each other by multiples of what number