Elements

Iron

Oct 20, 1200

used in fairly fusible, and is used to produce other alloys, including steel.

Zinc

Oct 20, 1400

tools and roof

Phosphorus

Oct 20, 1669

used in the manufacture of safety matches, pyrotechnics, incendiary shells, smoke bombs, tracer bullets, etc.fertilisers.phosphates are used in the production of special glasses, such as those used for sodium lamps.

Platinum

Oct 20, 1735

jewellerywire and vessels for laboratory usethermocouple elementselectrical contactscorrosion-resistant apparatusin dentistryplatinum-cobalt alloys have magnetic propertiescoating missile nose cones, jet engine fuel nozzlesthe metal, like palladium, absorbs large volumes of hydrogen,giving it up at red heatin the finely divided state platinum is an excellent catalyst (such as the contact process for producing sulphuric acid). Also as a catalyst for cracking oil and as a cataly

Nickel

Oct 20, 1751

hiefly valuable for the alloys it forms such as stainless steel and other corrosion-resistant alloystubing made of a copper-nickel alloy is extensively used in making desalination plants for converting sea water into fresh waterused extensively in coinage and in making nickel steel for armour plate and burglar-proof vaultsnickel added to glass gives a green colournickel plating is often used to provide a protective coating for other metals

Lead

Oct 20, 1760

the metal and the dioxide are used in storage batteries
cable covering, plumbing, ammunition

Nitrogen

Oct 20, 1772

used in ammonia, is used for fertilizer production and to produce nitric acid,used by the electronics industry,used as an intert atmosphere in tanks of explosive liquid storage tanks, both in ground based tanks and in ships

Oxygen

Oct 20, 1774

oxy-acetylene weldingfrequently used to aid respiration of patients in hospitalsused in making methanol and ethene oxiderocket fuel oxidantsteel manufactureozone (O3) in the atmosphere is protection against the sun's ultraviolet raysbreathing

Chlorine

Oct 20, 1774

production of safe drinking water the world over.
extensively used in the production of paper products, dye stuffs, textiles, petroleum products, medicines, antiseptics, insecticides, foodstuffs, solvents, paints, plastics, and many other consumer products
most chlorine is used in the manufacture of chlorinated cleaning compounds, pulp bleaching, disinfectants, and textile processing
manufacture of chlorates, chloroform, carbon tetrachloride
used for the extraction of bromine

Sulfur

Oct 20, 1777

Elemental sulfur is used in black gunpowder, matches, and fireworks; in the vulcanization of rubber; as a fungicide, insecticide, and fumigant; in the manufacture of phosphate fertilizers; and in the treatment of certain skin diseases.

Aluminium

Oct 20, 1825

cans and foilskitchen utensils
outside building decoration
industrial applications where a strong, light, easily constructed material is needed

Gold

Oct 20, 1848

Prague Astronomical Clock.Gold dome of a church.Gold is used in specialty building glass.Gold Medal.Gold is used in satellite components.A crown made from dental gold alloy. Gold in a computer memory chip.Cell Phone. United States Gold Coins.Gold bullion.Gold ring with colored stone.Cameo in Gold Setting.

Tin

Oct 20, 1879

used to coat other metals to prevent corrosion or other chemical action .soft solder, type metal, fusible metal, pewter, bronze, bell metal, Babbitt metal, White metal, die casting alloy, and phosphor bronze

Flourine

Oct 19, 1886

uranium production, in refrigeration applications,to produce many chemicals, including several high-temperature plastics,toothpaste and dental rinses.

Argon

Oct 19, 1894

used in electric light bulbs and in fluorescent tubes, photo tubes, glow tubes,used as an inert gas shield for arc welding and cuttingblanket for the production of titaniumprotective atmosphere for growing silicon and germanium crystals ,lasers, light bulbs electric light bulbs welding, cutting, as a protective gas for other substances,

Helium

Oct 19, 1895

filling balloons,used as an inert gas shield,protective gas in growing silicon and germanium crystals,and in titanium and zirconium production

Antimony

Oct 20, 1896

used in semiconductor technology for making infrared detectors, diodes, and Hall-effect devices,is used in medicine .

Krypton

Oct 20, 1898

used with argon as a low-pressure filling gas for fluorescent lights,used in some photographic flash lamps for high-speed photography, lamps, UV-laser spectral line

Neon

Oct 20, 1898

used in making neon advertising signs,used to make high-voltage indicators,lightning arrestors, wave meter tubes, and TV tubes.

Polonium

Oct 20, 1898

used for eliminating static charges in textile mills,used on brushes for removing dust from photographic films,thermoelectric power in space satellites,source of neutrons.

Radium

Oct 20, 1898

Earlier radium was used in self-luminous paints, aircraft switches, clocks, nuclear panels, and instrument dials. However its application was prohibited under the law, as the radioactive paints caused death of many people, who have been using those item
Read more at Buzzle: http://www.buzzle.com/articles/radium-uses.html

Actinium

Oct 20, 1899

thermoelectric power, source of neutrons

Radon

Oct 20, 1900

occasional therapeutic use,earthquake predictionradiation therapy in hospitals

Francium

Oct 20, 1939

No uses known

Plutonium

Oct 20, 1940

use plutonium for electrical power generation and in nuclear weapons. pacemakers

Arsenic

Oct 20, 1941

Food poisoning.Insomnia.Allergies.Anxiety.Depression.Obsessive-compulsive disorder (OCD).Psoriasis.Syphilis.Asthma.Rheumatism.Hemorrhoids.Cough.Itchy skin.Cancer.Other conditions.

Americium

Oct 20, 1944

ionization source for smoke detectors,Am-241 as a portable source of γ rays

Carbon

Oct 20, 1961

the Carbon as graphite is a good lubricant.is used to light the bbqalso used to make pencils

Dubnium

Oct 20, 1970

no uses known

Ununbium

Oct 20, 1996

only used for projects or scientific laboratories