Rutherford’s Atomic Model
Rutherford’s Atomic Model: Rutherford proposed a model of the atom which is named after him. This is also called the … Read more
Thomson’s Model of Atom
Thomson’s Model of Atom: After the discovery of electron and proton, the scientists started thinking of arranging these particles in … Read more
Isotopes, Isobar & isotone
Isotopes: It has been observed that many elements have nuclei which contain the same number of protons but different number … Read more
Discovery of neutron
Discovery of Neutron: In 1932, Sir James Chadwick discovered the third subatomic particle. He directed a stream of alpha particles … Read more
Discovery of proton
Positive Rays: In 1886, Eugen Goldstein used a discharge tube with a hole in the cathode. He observed that while … Read more
Final year questions from 2005 to 2022
Chemical Kinetics Questions: 2022 Derive the integrated rate equation for the first order reaction. Hence prove that half-life period is … Read more
Environmental Chemistry
Environmental Chemistry: The branch of science which deals with the chemical phenomena occurring in the environment is called environmental science. … Read more
Aromatic hydrocarbon/benzene
Aromatic Hydrocarbons: Benzene has a cyclic, planar, hexagonal structure. All carbon-carbon bond lengths are identical and are intermediate between C—C … Read more