Scientists Bohr and Bury introduced this scheme in 1921 to find the electronic configurations of atoms, that is, the number of electrons in their orbitals. This scheme is known as…
Thomson’s Atomic Model J. J. Thomson presented the first model of the atom in 1904. It is also called Tomson's Watermelon Model. According to this, the atom is made up…
Nuclear Stability There are three types of fundamental particles in an atom, electron, proton and neutron. Of these, protons and neutrons are in the nucleus of the atom and…
Atomic Weight The atomic weight of an element is a number that shows how many times the weight of one atom of that element is 1/12 heavier than that of…
Isotopes, Isobars and Isotones:- It has been proved by the experiment of Mosley that the basic feature of elements is their atomic number. The chemical properties of atoms depend on…
E Rutherford discovered the nucleus of an atom in 1911. Geiger and Marsden, the scientists working under the direction of Rutherford, used bombardment of alpha particles on a thin sheet…
Target: Whole chemistry syllabus complete till NEET/JEE 2021
Content of course
