transition metals [1]

Usually less reactant than alkali metals and alkaline earth metals but very good electric and thermal conductors. Many of these metals form vital alloys.

hassium

Artificial radioactive element that was first produced in laboratories in 1984; it is based on lead and iron.

bohrium

Artificial radioactive element that was first produced in laboratories in 1976; it is based on bismuth and chromium.

seaborgium

Artificial radioactive element that was first produced in laboratories in 1974; it is based on californium and oxygen.

dubnium

Artificial radioactive element that was first produced in laboratories in the 1960s.

rutherfordium

Artificial radioactive element that was first produced in laboratories in the 1960s; it has applications only in scientific research.

rhenium

Rare metal that is resistant to wear and corrosion; it is used especially in pen tips and incandescent filaments for ovens.

tungsten

Metal that is resistant to very high heat; it is used in filaments for incandescent lamps and cutting tools.

tantalum

Somewhat rare metal that is highly resistant to heat; it is used especially in nuclear reactors, missiles and capacitors.

osmium

Rare metal often alloyed with iridium and platinum; it is used in pen tips, bearings, compass needles and jewelry.

hafnium

Rare metal that is used in the control rods of nuclear reactors, filaments for incandescent lamps and jet engines.

technetium

Radioactive metal (first element to have been produced artificially) that makes steel corrosion-free and is used in medical imaging.

molybdenum

Hard metal that is used in alloys (aircraft, missiles, nuclear reactors), electric lights and electronic tubes.

niobium

Rare metal that is used especially in alloys for jet aircraft, missiles, nuclear reactors, ointments and cutting tools.

zirconium

Metal that is used in alloys for the nuclear industry (protective sheathing, fuel rods) and in jewelry (imitation diamonds).

yttrium

Rare metal used in the manufacture of alloys, electronic components, lasers, television screens and in nuclear reactors.

manganese

Hard metal that is used mainly in the manufacture of specialty steels and household batteries; it is also an indispensable trace element for humans.

chromium

Bright metal that is used as an anticorrosive coating and in the manufacture of hard and resistant alloys; it gives emeralds and rubies their color.

vanadium

Metal that is used mainly in alloys, to which it provides highly anticorrosive properties.

titanium

Metal that is used in several alloys employed in the manufacture of precision items and as a coating for light aerospace parts.

scandium

Rare and very light metal that is employed in aerospace construction because of its high fusion point (about 2,700°F or 1,500°C).