Chemistry Definition of Distillation, Crystallization, and Extraction Distillation, crystallization, and extraction are three techniques that are often used to separate the mixture. Many mixtures cannot be sepa...
Chemistry Ionic Bonds Ionic bonds are formed when metal elements bind with nonmetallic elements. Metals are the elements that tend to release a number of electron...
Chemistry Calcium Chloride Anhydrous calcium chloride is a white solid. However, it is very easy to absorb moisture in the air so that the solid becomes wet. This prop...
Chemistry Carbide Compounds Binary compounds formed by carbon atoms and most electropositive elements (except hydrogen) are called carbides. Based on the type of bond f...
Chemistry Calcium carbonate Calcium carbonate is the main source for obtaining calcium elements. Calcium carbonate exists in nature as a deposit of chalk, limestone, an...
Chemistry Properties of the Fourth-Period of Transition Metal Fourth-period of transition metal members are: Sc-Ti - V - Cr - Mn - Fe - Co - Ni - Cu - Zn The fourth-period of transition element lies ...
Chemistry Oxides and Hydroxides Of Alkaline Earth Metals Oxides All alkaline earth metals can react with oxygen (in the air) to form oxide compounds. Oxides formed by the alkaline earth metal are ...
Chemistry Biological Functions Of Halogens Halogen elements and their compounds have many uses in our lives, both in industry and household. For example, chlorine gas is used to kill ...