Class 12

The d- and f - Block Elements

The d- and f - Block Elements Introduction  The d-block of the periodic table contains the elements of groups 3-12 in which the d orbitals are progressively filled in each of the four long periods. Th e f-block consists of elements in which 4 f a…

Chemical Kinetics

Chemical Kinetics   Chemical kinetics   Chemical kinetics is the branch of chemistry that studies the rates and mechanisms of chemical reactions. It is concerned with the way in which the rate of a reaction depends on various factors, such as the…

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