Tagged: Cesium

February 13, 2018

Elements of s-block, Properties of the first group elements 1A (Alkali metals) in the periodic table

Some of representative elements groups are known as regular groups, Because their elements show a great regularity & graduation in their properties and that is not found in the transition elements, One of the...

Chemistry

December 23, 2017

Metallic and nonmetallic property, Acidic and basic property in the periodic table

At the beginning of the nineteenth century, Berzelius was the first scientist who classified elements into two main groups (metals and nonmetals), according to their physical properties, Indeed that was before knowing anything about...