ne jane ke jarurat ne parege me khood he banouga doctor aapko to u he admit kar luva
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etna bara hii karne ki kya jarurat . ekbar hi bol do bas
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atomic number of nitrogen is
atomic number of carbon is
If 200 gram of solution is removed from 500 gram of 20% (w/w) acquous sugar solution and 20 gram more so that is mixed in the remaining solution then … find the concentration of the new solution.give answer with steps. useless answers will be reported!!
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atomic number of boron is
Answers & Comments
1.There are some basic principle on the resonance theory. First resonance structures are not real, they just show possible structures for a compound. Resonance structures are not in equilibrium with each other. Resonance structures are not isomers. Isomers have different arrangement of both atoms and electrons. Resonance forms differ only in arrangement of electrons.
2.Resonance structures are a better depiction of a Lewis dot structure because they clearly show bonding in molecules. Not all resonance structures are equal there are some that are better than others. The better ones have minimal formal charges, negative formal charges are the most electronegative atoms, and bond is maximized in the structure. The more resonance forms a molecule has makes the molecule more stable. They are drawn with a double-headed arrow between them to show the actual structure is somewhere between the resonance structures. These structures used curved arrow notation to show the movement of the electrons in one resonance form to the next.
3.Curved arrow notation is used in showing the placement of electrons between atoms. The tail of the arrow begins at the electron source and the head points to where the electron will be. {4}Make sure the arrows are clear including the single and half headed arrow. {5]The reader must know the flow of the electron