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Introduction: In periodic table elements are arranged in the ascending order of their atomic number.  They are arranged in such a way...

what is electronegativity ? Electronegativity is the measure of the capacity of an atom of an element to attract the shared electro...

Introduction The law of conservation of mass is also termed as principle of mass/matter conservation. The law of conservation of mas...

Mass of a molecule is sum of the masses of the constituent atoms. The mass of an atom is sum of masses of neutrons and protons. In turn...

Introduction : Empirical Formula The empirical formula for a compound is the simplest ratio of the numbers of atoms of each element...