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Ionic Radii
The experimentally calculated anion-cation distances in highly ionic solids have to be interpreted on the assumption that each and every ion has a nearly fixed radius. As like, the difference in cation-anion distance between the halides KX and NaX is close to 36 pm irrespective of the anion X, and it is natural to attribute this to the difference in radii between K+ and Na+. To separate the observed distances into the sum of two ionic radii is, Difficult to do in satisfactory way. One procedure is to look for the optimal value in the electron density distribution between neighboring ions, but apart from the experimental problems involved such measurements do not really support the assumption of constant radius.
Nebulisation techniques: The accuracy, precision and detection limits of flame AAS depend on how the analyte sample is introduced into the atomiser. We need to transfer a repr
For 1D particle in a box wave functions in a box of length L, evaluate a formula for the average energy in terms of the quantum number n: =?0L?*Hˆ?dx
Extension
Principal, azimuthal and magnetic quantum numbers are respectively related to: (1) Size, shape and orientation (2) Shape, size and orientation (3) Size, orientation and s
principle and application of potentiometry in biochemistry
Describe the following electrochemical methods in terms of their working principles instrumentation and applications i. Potentiometry ii. polarography iii. Conductometry
Q. Illustrate the Quantum Mechanics? Ans: In 1924, a French scientist named Louis de Broglie proposed another model for the nature of the electrons in atoms. He predicted tha
Explain why electrolysis of aqueous solution of NaCl gives H 2 at cathode and Cl 2 at anode. Write overall reaction
About vbt
The lengths of the C-C bonds in isobutene The lengths of the C-C bonds in isobutene have no significance; two are longer merely to accommodate the rest of the structure. Rememb
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