Oxidation states

Oxidation state is a measure of the degree of oxidation of an atom in a chemical compound. It is represented by a positive or negative number, called the oxidation number, which reflects the number of electrons an atom has gained, lost or shared in forming a chemical bond with another atom. The oxidation state of…

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JEE Chemistry Classification of Elements and Periodicity in Properties, oxidation states, , , , , , ,

Mole concept

The mole concept is a fundamental concept in chemistry that allows chemists to measure and relate quantities of substances. The concept is based on the idea that atoms, molecules, and other particles are very small and difficult to count on an individual basis, so they are instead measured in terms of the amount of substance…

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JEE Chemistry General Topics, Mole concept, , , , , , ,