Chemistry

Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. General Characteristics of the Compounds of Alkali Metals All the common compounds of the alkali metals are generally ionic in nature. General characteristics of some of their compounds are discussed here. Oxides and Hydroxides On combustion in excess of air, … [Read more...] about General Characteristics of the Compounds of Alkali Metals

Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. Alkali Metals The word “alkali” is derived from the word al-qalīy meaning the plant ashes, referring to the original source of alkaline substances. A water-extract of burnt plant ashes, called potash contain mainly potassium carbonate. Alkali metal group consists of … [Read more...] about Alkali Metals

Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. s-Block Elements The elements belonging to the group 1 and 2 in the modern periodic table are called s-block elements. The elements belonging to these two groups are commonly known as alkali and alkaline earth metals respectively. In this unit, we study their … [Read more...] about s-Block Elements

Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. Hydrogen Bonding Hydrogen bonding is one of the most important natural phenomena occurring in chemical and biological sciences. These interactions play a major role in the structure of proteins and DNA. When a hydrogen atom (H) is covalently bonded to a highly … [Read more...] about Hydrogen Bonding

Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. Hydrides Hydrogen forms binary hydrides with many electropositive elements including metals and non-metals. It also forms ternary hydrides with two metals. E.g., LiBH4 and LiAlH4. The hydrides are classified as ionic, covalent and metallic hydrides according to the … [Read more...] about Hydrides