types:
alluminio
a silvery ductile metallic element found primarily in bauxite
antimonio
a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
bario
a soft silvery metallic element of the alkali earth group; found in barite
berillio
a light strong brittle grey toxic bivalent metallic element
bismuto
a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
cadmio
a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
calcio
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
cromo
a hard brittle multivalent metallic element; resistant to corrosion and tarnishing
cobalto
a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
rame
a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
ferro
a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
piombo
a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey
litio
a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
magnesio
a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
manganese
a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
mercurio
a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
nichel
a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
osmio
a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
potassio
a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
radio
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
sodio
a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
stronzio
a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
titanio
a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
tungsteno
a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
uranio
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
vanadio
a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
zinco
a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende
platino
a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
ghisa
crude iron tapped from a blast furnace