The d-block of the Periodic Table contains the elements of the groups 3-12 in which the d·orbitals are progressively filled. There are mainly three series of the elements, 3d-series (Sc to Zn) 4d-series (Y to Cd) and 5d-series (La to Hg...

Earth crust is the source of many elements. Out of these elements, 70% are metals. Aluminium is the most abundant metal of earth crust and iron comes second. The percentage of different elements in earth crust are O-49%, Si-26%, Al-7.5%,...

Surface Chemistry is the branch of chemistry which deals with the phenomenon that occurs on the surfaces or interfaces, such phenomenon includes corrosion. catalysis, crystallisation, etc Adsorption Due to unbalanced attraction forces,...

The branch of chemistry, which deals with the rate of chemical reactions. the factors affecting the rate of reactions and the mechanism of the reaction. is called chemical kinetics. Chemical Reactions on the Basis of Rate of...

Electrochemistry is that branch of chemistry which deals with the study of production of electricity from energy released during spontaneous chemical reactions and the use of electrical energy to bring about non-spontaneous chemical...

Solution is a homogeneous mixture of two or more substances in same or different physical phases. The substances forming the solution are called components of the solution. On the basis of number of components a solution of two components is called...

Solids Solids are the chemical substances which are characterised by define shape and volume, rigidity, high density, low compressibility. The constituent particles (atoms, molecules or ions) are closely packed and held together by strong...

Introduction The branch of chemistry which deals with the identification of constituents of a substance and calculation of their amounts is called analytical chemistry. Branches of Analytical Chemistry The branches of analytical chemistry...

The branch of chemistry which deals with the study of composition of atomic nucleus, nuclear forces, nuclear reactions and radioactive materials, is called nuclear chemistry. Nucleons and Nuclear Forces Protons and neutrons which reside in the...

Hydrocarbons are the organic compounds containing carbon and hydrogen only, e.g., alkane, alkene and alkynes. Classification of Hydrocarbons Alkanes Alkanes are saturated, open chain hydrocarbons containing carbon-carbon single bonds....