- It is corrosion resistant and highly conductive. This makes it useful for electronics.
- One of its most common uses is in capacitors in electronics.
- Aircraft industries use it.
- It has the third highest melting point (below tungsten and rhenium).
- Surgical instruments use tantalum.
- Artificial joints use it because it does not react with bodily fluids.
- Powdered technetium will ignite.
- All isotopes are radioactive.
- It is artificially produced.
- Adding it to steel highly enhances its corrosion resistance. Since it is radioactive, this is only useful for steel in certain applications.
- There has never been any technetium found naturally on Earth, however it has been shown to be produced in stars.
- The gamma rays produced from technetium-99m (“m” for metastable) are used for medical diagnostic tools.
- It’s a powerful superconductor.
- It is a semiconductor that responds to sunlight.
- It is primarily used for manufacturing films in solar cells.
- Even a tiny amount in air will cause one’s breath to smell like garlic.
- Fungi use it to create amino acids.
- Tellurium is highly toxic.
- It burns bluish-green.
- When copper and stainless steel is alloyed with it, they become more easily workable.
- Sulfuric acid becomes less corrosive when it contains tellurium.
- CDs and DVDs with tellurium enable them to be rewritten.
- It is a halogen.
- Tennessine was produced by bombarding berkelium with calcium ions.
- Terbium oxide looks like chocolate powder.
- It’s soft enough to be cut with a knife.
- Terbium cations are used to detect microbes.
- Alloyed with iron, it can provide metallic films for recording data.
- Terbium alloyed with neodymium and dysprosium produces magnets built for high temperatures.
- Thallium iodide and thallium bromide are used in infrared detection devices.
- Its oxide produces glass that melts at low temperatures (about 150°C; compare to 1400-1600°C for most glass).
- Thallium sulfate was used as a rat poison and insecticide until it was discontinued for its toxicity to humans.
- It is used for nuclear energy due to the decay of its isotopes. It eventually decays into an isotope of uranium that is used as nuclear fuel.
- Thorium oxide is used in camera lenses, high temperature crucibles, and cracking of petroleum products.
- Its most stable isotope has a half-life of 14 billion years.
- It alloys magnesium to increase its strength in high temperatures.
- It is used in laser for surgical applications.
- Thulium cations emit a strong blue luminescence under ultraviolet light. Because of this, it is used in euro banknotes to protect against counterfeiting.
- It is a dopant in yttrium aluminum garnets (YAG) for lasers.
- Bronze is made when tin is alloyed with copper.
- Tin salts provide conductive coatings on glass.
- It does not corrode in water.
- When bent, the deformation of its crystalline structure emits a creaking sound.
- Below 13.2°C (56°F), tin turns into its powdery alpha allotrope.
- Alpha tin is a semiconductor.
- It has a low melting point of 232°C (450°F).
- Tin can be used as cladding to prevent metals from corroding.
- Superconductive magnets can be made with a tin-niobium alloy.
- It is stronger than most common steel alloys while being much lighter than steel.
- Implants are made with titanium because of its corrosion resistance.
- Titanium osseointegrates. This means that implants (in this case, usually dental) will fuse with the bones to which it is attached.
- Aircraft use it for its light weight and high strength-to-weight ratio.
- Wheelchairs use titanium for its light weight.
- Titanium oxide is used in sunscreen to prevent ultraviolet light from reaching the skin.
- Tungsten carbide is used mostly in mining, construction, and machining parts.
- It does not oxidize in air.
- Of all metals, it has the highest melting point of 3410°C (6170°F).
- The most familiar use of it is in incandescent bulb filaments.
- It is the hardest pure metal.
- It has the highest tensile strength of all the metals (400 GPa, or 58 Mpsi). Also, its tensile strength at temperatures above (1650°C, or 3000°F) is higher than the rest of the metals.
- Tungsten yarn is used to reinforce composites.
- Glass can be colored green with uranium. It glows under black light, but not because of its radioactivity.
- One ton of uranium can produce as much energy as 16,000 tons of coal or 80,000 barrels of oil.
- Over 20% of the energy in the US is produced by nuclear power plants.