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In polar covalent molecule, one atom gets positive charge and the other one takes negative charge as known as dipole.
What is periodic property
Why liquids rise in the cappilary tube ? Explain.
Libermaan''s nitroso reaction mechanism
a sophisticated ultra/visible/near-IR instrument has a wavelenght range of 185 TO 3000 nm.What are its Wave number and frequency ranges ?
Conditions which a dye must satisfy and describe them
how many grams of salt must be added to 500 gram of water in preparation of 12% saline solution
GROUP 13: ALUMINUM TO THALLIUM The substance aluminum, indium, gallium and thallium have valence electron configurations (ns) 2 (np) 1 and for the lighter elements their chemis
WHY DENSITY OF POTASIUM IS LOW THAN SODIUM.
why standard enthalpy change of Br2(g) is not zero
The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv
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