Category Archives: Chemistry

Who discovered Cobalt?

Cobalt is a chemical element. Its chemical symbol is Co and its atomic number is 27.  It is a hard, radiant, silver-gray metal found naturally only in chemically combined form…. Read more »

Who discovered Chlorine?

Chlorine is a chemical element and thick yellow-greenish gas found naturally in the nature. It is denoted by the chemical symbol CL and its atomic number is 17. It was… Read more »

Who discovered calcite?

Calcite is a carbonate mineral and the most stable calcium carbonate’s polymorph. It was first discovered by mineralogist John P. Calcite in 1852.

Who discovered Isotopes?

Isotopes are alternatives of atoms of a specific chemical element which have distinct numbers of neutrons. They were discovered in 1913 by British physicist, Sir Joseph John “J. J.” Thomson… Read more »

Who discovered Sodium?

Sodium is a silvery-white, highly reactive and soft metal. It is a metallic element. Its chemical symbol is Na and its atomic number is 11. It was abstracted in 1807… Read more »

Who discovered Francium?

Francium is a heavy chemical element. Its atomic number is 87 and its chemical symbol is Fr. It is highly radioactive alkali metal. It was discovered in 1939 in France… Read more »

Who discovered Caesium?

Caesium or cesium is a chemical element. Its chemical symbol is Cs and its atomic number is 55. It is silvery-gold soft alkali metal. It was discovered in 1860 by… Read more »