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Symmetry is a property of molecules having more than one atom of the same kind, with equal bond lengths and/or bond angles. As like the high symmetry of the SF6 molecule (Fig. 1. arises from the six equal S-F bonds disposed at angles of 90° to each other. In order to build the notion more precise we use the idea of a symmetry operation. For example rotating SF6 by 90° about an appropriate axis, it appears indistinguishable after the rotation. The axis concerned is known as the symmetry element. Rotations which do not leave the molecule looking the similar are not symmetry operations.
fermiun (n = 100)
Line imperfection : Displacement with a curved boundary makes a mixed dislocation line at the boundary.
Which of the following has the least energy: (1) 2p (2) 3p (3) 2s (4) 4d Ans: 2s
Q. Give Basic diffrence betwwen Fission and Fusion? A quick way to remember the difference between fission and fusion: Fusion Fuses: In the nuclear reaction, nuclei are act
notes
redox reaction of ethanal,caustic soda&copper hydroxide
Hard magnetic material is characterized by Hard magnetic material is characterized by two substance:- a) High residual magnetic induction.. b) High coercive force
what are the properties of acid halides
Q. Illustrate about Werners Theory? Based on the study of a large number of compounds. Wermer gave the following postulates: • Metal atoms in complexes possess two types o
Chloramphenicol: It is a extensive spectrum antibiotic. It was very firstly isolated from a class of streptomyces. It has been made up synthetically on business basis. It is gr
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