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A member of a large class of chemical compounds containing carbon in their molecules is organic chemical.Compounds such as simple oxides ...

What is Ionic Radii ? Ionic radii is related to ions present in ionic substances (crystalline solids). Ions are formed when neutral at...

Introduction : A periodic table is an arrangement of all the known elements in vertical groups and horizontal rows so that the elements w...

Introduction: In the metric system of measurement, designations of multiples and sub-divisions of any unit may be deduced by combining w...

Introduction : The Kelvin Scale or the absolute scale of temperature – Lord Kelvin devised a scale of temperature which is independent o...

Introduction  The term atom has its origin from the Greek word ‘átomos’ which means indivisible or, uncuttable, something that cannot be...

Introduction The atom is the building block of the substance; each and every thing is made up of atom. In earlier concept it was though...