pure metals or compounds/alloys?
Lead - a bullet or soldering lead
Zinc - roofing panels (galvanized roof), U.S. pennies, dry cell battery
Tin - canned goods
Magnesium - you can chip a piece from a magwheel.
Pewter - household ornaments
Molybdenum - some pistons/piston rings or the filament support of a light bulb.
Chromium - some piston rings also.
Vanadium - wrenches/tools
Mercury - your old school thermometer
Silver - you can buy cheap silver jewelry.
Tungsten - also used for bulb filament.
Platinum - spark plug tip or jewelry
Iridium - spark plug tip
Titanium - some use in eyeglass frames and other jewelry
Nickel and Cadmium - NiCad rechargeable battery
Gold -
You can also use different kinds of coins.
Hope this helps.