Atomic Structure

Limitations of Bohr’s Model

The Bohr model was introduced by the famous physicist Niels Bohr in 1913. Bohr’s model is based on the assumption that the nucleus is surrounded by the electrons which travel in a circular orbit around the nucleus. Bohr’s atomic model Explain that How electrons revolve around the nucleus in specific Energy shells. It explains some […]

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Atomic Structure, Bohr's model, Chemistry, Class 11, IIT JEE

Electron Shell (Orbitals)

Atoms are the smallest unit, consisting of the positively charged nucleus surrounding the negatively charged electrons. Electron cloud refers to the group of electrons (negatively charged) circulating around the nucleus or a molecule, or electron cloud is the region with a high probability of containing electrons. Electron Shell is the outermost area of an atom

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Atomic Structure, Bohr's model, Chemistry, Class 11, IIT JEE

Complex-Forming Tendency of Group 13

All group 13 elements are referred to as the boron family. The periodic table is divided into different groups: the s,p,d, and f blocks. This division is based on the number of valence electrons. For example, if the valence electron occurs in the d subshell, it is grouped under the d block, and so on. 

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Atomic Structure, Bohr's model, Chemistry, Class 11, IIT JEE

Calculations Involving Unit Cell Parameters

The seven crystal systems Cubic- In this type of unit cell lengths a, b and c all are equal in length and the angles between them alpha, beta and gamma are also equal to 90 degrees bravais lattices in this type are 3 that is primitive, face centred and body centred examples of cubic unit

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Atomic Structure, Bohr's model, Chemistry, Class 11, IIT JEE

Bohr’s Atomic Theory

Proposed by Neils Bohr in 1913, his atomic theory revolves around the structure of the hydrogen atom. In the quantum hypothesis,  electrons can occupy certain energy states around the nucleus. Electrons move around a core which is the nucleus, in closed orbits. The theory assumes that energy is released as radiation when electrons leap to

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Bohr Model of a Hydrogen Atom – its Postulates, Derivation of the Relations

The Bohr model of a hydrogen atom was proposed by scientist Neils Bohr in the year 1913. According to the Bohr model formula of hydrogen, hydrogen atoms have a positively charged nucleus, which possesses protons, and neutrons. They are surrounded by negatively charged electrons and are seen to orbit around the nucleus in atomic shells.

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Atomic Structure, Bohr's model, Chemistry, Class 11, IIT JEE

Bohr Model of a Hydrogen Atom

Introduction The emission and absorption spectra of atomic hydrogen and hydrogen-like ions with low atomic numbers are explained by Bohr’s model of the hydrogen atom. It was the first model to use a quantum number to describe atomic states and to postulate the quantisation of electron orbits within the atom. The development of quantum mechanics,

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Atomic Structure, Bohr's model, Chemistry, Class 11, IIT JEE