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Two very important entities of elements that recognise its characteristics are its atomic number and atomic mass. Similarly, mol mass of a ...

Periodic table consists of an array of elements, with different metallic properties. Some are completely metallic, making them soft or hard...

Elements combine together to form compounds. Chemical compounds are of many types, depending upon the bond present in them. Corresponding t...

Syllabus :  Valency electrons, the octet rule. Electrovalent and covalent bonds with examples. Properties of electrovalent and coval...

Introduction :   Several simple organic molecules of one or two types combine with each other by chemical bonds forming macro molecules t...

Introduction : Molecular orbital theory is a polycentric region in space, defined by its size and shape, associated with two or more atom...

Introduction : The experimental observations of chemical equilibrium tell us that most of the chemical reactions when carried out in cl...