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The bond energy of an O- H bond is 109 kcal mol 1. When a mole of water is formed from H and O atoms, then 218 kcal is released. Two O-H bonds are there is H2O so 2*109 kcal an
The f-block elements contains of two series of inner transition elements i.e. lanthanoids (the fourteen elements subsequent lanthanum) and actinoids (the fourteen elements subseque
The p-block elements contain metals amd what?
difference between ion and free radicals ?
Sphere packing Element structures where chemical bonding is nondirectional are best explained by considering the packing of equal spheres. Close-packed structures are on
Interfacial Defects Grain boundaries are interfaces where crystals of dissimilar orientations meet. A grain boundary is a single-phase interface, with crystals on each n every
the application of intervase
Which type of bond is formed between similar atoms: (1) Ionic (2) Covalent (3) Coordinate (4) Metallic Ans: Covalent
Soda lime test - Nitrogen A pinch of an organic compound is heated strongly along with soda lime (NaOH + CaO) in a test tube. If ammonia gas acts, it depicts nitrogen.
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