Methane is highly effective greenhouse gas. It was discovered by Italian physicist Alessandro Volta in between 1776 and 1778. He collected the gas from marshes found in Lake Lago Maggiore… Read more »

Zinc is a metallic chemical element found in the earth’s environment. It is also known as spelter. It is used to remove impurities from water. It is used in batteries…. Read more »

Krypton is an odorless, tasteless and colorless noble gas. It is also a chemical element. Its symbol is Kr and atomic number is 36. The first discoverers of krypton were… Read more »

Nickel is a chemical element and hard, corrosion resistant metal. It is silvery-white in color. Its atomic number is 28 and it is denoted by chemical symbol Ni. It is… Read more »

Aluminium is the most copious element and metal found in the crust of earth. It was first discovered in 1825 by Hans Christian Oersted, a Danish physicist and chemist. After… Read more »

Zirconium is chemical element and radiant gray-white strong transition metal. Its atomic number is 40 and its chemical symbol is Zr. It was discovered in 1789 by Martin Heinrich Klaproth,… Read more »

iwc Replica uk cartier Replica usa cheap replica watches Xenon is known as a chemical element. Its chemical symbol is Xe with atomic number 54. It is an odorless, heavy,… Read more »

cartier Replica uk omega Replica rolex replica uk Lithium  belongs to the alkali metal group of chemical elements. It is silvery white soft metal. Its atomic number is 3 and… Read more »

breitling Replica breitling Replica usa replica breitling Beryllium is the divalent chemical element. It is represented by the chemical symbol Be with atomic number 4. It was discovered in 1798… Read more »

rolex Replica Breitling replica watches fake watches Boron is a chemical element. It is a metalloid. Its chemical symbol is B and its atomic number is 5. It was first… Read more »