Sulfur has a history that dates to ancient times. It was discovered around 2000 BCE by Chinese. Sulfur has diverse biological significance and have numerous industrial implications. History and …
Silver is one of the seven metals of antiquity and have been considered precious throughout history. Silver coins, ornaments, utensils, jewellery and conductors have been popular since its …
Iodine belongs to halogen group in the periodic table. Iodine is an essential mineral commonly found in sea food. Iodine plays an important role in proper functioning of thyroid hormone in the human …
Krypton is a rare and inert gas and belong to the Nobel gases. It was discovered by Sir William Ramsay in 1898. It emits unique and sharp spectral lines and is widely used in high speed photography …
Bismuth is a post-transition metal and was discovered in 1753. It is a highly useful metal, and is component of various cosmetics, alloys and medications. Discovery and History Bismuth has …
Tin has been known since ancient times, and has characteristics feature of superconductor. Tin belongs to the carbon family and is widely used in container to form protective layer. Discovery and …
Fluorine is highly reactive and the most electronegative element in the periodic table. It was discovered by Andre-Marie Ampere in 1810. Discovery and History The high reactivity and …
Helium is the second most abundant element in the universe and is primarily produced because of radioactive decay. It was discovered in 1868 by Jules Janssen and Norman Lockyer. History and …
Copper is relative inexpensive metal and widely used since old civilization. It is an excellent conductor of heat and electricity. Copper resist corrosion and is widely used in making various alloys. …
Iron is a chemical element with symbol Fe and atomic number 26. It is a metal in the first transition series. It is by mass the most common element on Earth, forming much of Earth's outer and inner …
Barium is a chemical element with symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is …
Radium is an alkaline earth metal and was discovered in 1898 by Marie and Pierre Curie. It is a lustrous metal and is widely used in various industry. Discovery and history Radium was discovered in …
Calcium is an alkaline earth metal and has been known since prehistoric times. It was discovered in 1787 by Antoine Lavoisier and was isolated in pure form in 1808. Calcium is important nutrient for …
Magnesium is an ancient element and is characterized as an alkaline earth metal. it was discovered by Joseph Black in 1700s. It is a very light metal and can withstand high temperatures and is widely …
Sodium is an alkali metal that has been known since prehistoric times. It was isolated for the first time in 1807 by Humphry Davy. Sodium is an essential micronutrient for plants and animals and is …
Potassium is an alkali metal and was obtained in pure elemental form in 1807 by Hymphry Davy. It is a biologically essential element and also has various industrial applications, including …
Lithium is an alkali metal that was discovered in 1817. It is a highly reactive metal and is used in variety of applications including, rechargeable batteries and rocket fuel due to its light weight …
Carbon is a chemical element with symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. It belongs to group 14 of the …
Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum Discovery and History Mercury can be rightly considered as …
Phosphorus is a non-metal with diverse biological and industrial significance. It was discovered in 1669 by Hennig Brand and has two allotropic forms and eighteen isotopes. Discovery and History …
Nickel is a transition element and is present in U.S five cent coin, which is composed of 75% copper and 25% nickel. It is second most abundant element and is being widely used in making metal alloys …