Chemistry I

Solid State C11201023

Unit – XI Magnetic Properties of Solids Every substance has some magnetic properties associated with it. The origin of these properties lies in the electrons. Each electron in an atom behaves […]

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Solid State C11201022

Unit – X B Semiconductors in Solid State Semiconductors are the substances whose conductivity lies that between the conductors and insulators. e.g. Germanium, Silicon etc. These elements are members of […]

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Solid State C11201021

Unit – X A Electrical Properties of Solids Classification of Solids on the Basis of Electrical Conductivity: Solids exhibit a varying range of electrical conductivities, extending of magnitude ranging from […]

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Solid State C11201020

Unit – IX B Defects in Crystal Structures (Contd.) Non-Stoichiometric Defects: The defects discussed in previous articles do not disturb the stoichiometry of the crystalline substance. However, a large number of nonstoichiometric […]

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Solid State C11201019

Unit – IX A Defects in Crystal Structures Source of Defects: Although crystalline solids have short range as well as long range order in the arrangement of their constituent particles, […]

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Solid State C11201018

Unit – VIII Radius Ratio of Interstitial Voids The vacant space left in the closest pack arrangement of constituent particles is called interstitial void or interstitial site. Tetrahedral Voids: Locating […]

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Solid State C11201016

Unit – VII A Packing Voids in Ionic Solids Ionic Solids: When particles are close packed resulting in either ccp or hcp structure, two types of voids are generated. The […]

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Solid State C11201015

Unit – VI┬áC Characteristics of Voids & Packings Characteristics of Tetrahedral Voids: The vacant space or void is surrounded by four atomic spheres. Hence co-ordination number of tetrahedral void is […]

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Solid State C11201014

Unit – VI B Packing in Solids (Three Dimensional) A three-dimensional close-packed structure can be generated by stacking (placing) layers of close-packed spheres in two dimensions one over the other. […]

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Solid State C11201013

Unit – VI A Packing in Solids (One and Two Dimensional) The Principle of Packing in Solids: In a crystal particle (atoms, molecules or ions) occupy the lattice points in […]

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Solid State C11201012

Unit – V A Solid State Problems : Type – I : To Find Density of Substance Silver crystallises in face centred cubic structure. The edge length of a unit cell […]

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Solid State C11201011

Unit – IV C Density and Packing Efficiency of Unit Cell (Contd.) Packing Efficiency of Face Centred Cubic Crystal Lattice (FCC): In a face centred cubic lattice the eight atoms are located on the eight […]

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