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A single covalent bond is build when two atoms share a pair of electrons. Triple and double bonds can be formed when two or three such pairs are shared. A Lewis structure is a representation of a complex ion or molecule that shows the disposition of valence electrons (inner shells are not drawn) around each atom. 1-4 show Lewis structures of CH4, O2, H2O and N2, the last two molecules having a double and triple bond, respectively. These representations are entirely equivalent to the valence structures (1′-4′) in which each bonding pair of electrons are represented by a line.
why sio doesn''t exist under normal conditions
Generally ionic bonds are stronger than covalent bonds. This is because in ionic bonds, electrostatic forces of attractin are involved. The positive ion (cation) and the negative
Illustrate with examples: (a) Lyophilic and Lyophobic sols (b) Multimolecular and Macromolecular colloids (c) Homogeneous and Heterogeneous catalysis.
Electro refining of Copper • Electrolyte - Aqueous copper sulphate solution (acidified) • Cathode - Pure copper metal (thin rod) • Anode - Impure copper metal (thick block) • Disso
Ring substitution in aromatic ethers Alkoxy group is ortho and para directing and it directs the incoming groups to ortho and para position. It becomes the aromatic ring leads
What are the advantaged and disadvantages of a double beam spectrophotometer
tell me the berzelius hyphothesis in hindi
Hello Dear, my assignment is that I have to write ESSAY 5 pages to 6 pages in Biochemistry calss about technique. after you read the chapter ( the Chapter as attachment) you figure
Equilibria Equilibrium can also exist in between the same species in two different forms e.g. liquid and solid, liquid and gas. An equilibrium constant may also be produced for
difference between lanthanoids and actanoids
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