Iridium belongs to the platinum group of metals and is highly dense and resistant to corrosion. It was discovered in 1803. History and Discovery Ancient South Americans and Ethiopians have used …
Hafnium was discovered in 1923 as a novel metal by Hevesy and Coster. In nature, it exists in combination with zirconium and its alloys have high refractory properties. History and Discovery Hafnium …
Francium was discovered in 1939. It is very unstable alkali metal and considered the second rarest element in the earth crust. History and Discovery Francium was discovered by Marguerite Perey in …
Caesium, also spelt as Cesium, was discovered in 1860. It is outstanding in keeping time with precision, so it is used in atomic clocks. It forms alloys with alkali metals, gold and mercury. History …
Cadmium is toxic metal and its discovery is credited to two scientist, Karl Smuel and Friedrich Strohmeyer, who simultaneously reported its discovery in 1817. Cadmium based pigments and batteries are …
Boron is a metalloid and was discovered by Joseph L. Gay-Lussac and L. J. Thénard in 1808. It is chemically unreactive and is the second hardest element on earth. History and Discovery Boron is an …
Aluminium, or Aluminum in American spelling, is an ancient metal and has a diverse range of uses. It was discovered in 1824 and its light weight, high electrical conductivity and high resistant to …