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 …
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 …
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 …
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 …
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 …
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 …