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Burgers vector in screw dislocation The Burgers vector, often signified by b, is a vector that shows the magnitude and direction of the lattice distortion of dislocation in a
Its Tetrahedral ( 4 sigma bonds )
a) Give a chemical test to distinguish between aniline and N-methyl aniline. Draw the structure of XeF2 molecule. b. Write the outer electronic configuration of Cr atom (Z =
Q. Define Enthalpy and Calculate the Enthalpy of a system? Ans. Enthalpy is a measure of the total energy content of a system. It is represented by a big H. Change in ent
The atomic number of an element having the valency shell electronic configuration 4s 2 4p 6 is: (1) 35 (2) 36 (3) 37 (4) 38 Ans: 35
Q. Illustrate Ionic Bonds or electrovalent bond? Ans. An ionic bond (also called an electrovalent bond) is the attraction between oppositely charged ions. Elements from o
about aklene
He- is p block element
1st A group because the oxides and hydrides are alkaline in nature.
explain the construction of calomel electrode.explain how this electrode is used to determine the potential of an unknown electrode
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