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Resonance & Atomic Orbitals 
Kekulé structural formulas are essential tools for understanding organic chemistry. However, the structures of some compounds and ions cannot be represented by a single formula. For example, sulfur dioxide (SO2) and nitric acid (HNO3) may each be described by two equivalent formulas (equations 1 & 2). For clarity the two ambiguous bonds to oxygen are given  [cont...]

 
 
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Chapter & Study Material
Kinematics
The Rigid Body. A body in which the distance between any two points does not change due to the application of external forces is called a rigid body (figure 1).
Motion of a Rigid Body. Various types of motions of a rigid body can be grouped mainly into three categories viz. Translation, fixed axis rotation and the general plane motion (more...)
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Vertical Limit
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