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Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
Q. What are the properties of water? Ans. Water is a colorless, odorless, tasteless liquid with a melting and freezing point of 0 o C and a boiling point of 100 o C at 1 a
Using the valence bond approach, reduce the shape and magnetic character of What are elastomers? Write the chemical equation to show the preparation ration of Buna-S.
what is the balanced equation of the burning of an unknown hydrocarbon, C4H9 in air
Salt bridge is a U-shaped tube containing a semi-solid paste of some inert electrolyte like KCl, KNO 3 , NH 4 Cl, etc. in agar-agar and gelatin. An inert electrolyte is one which
Electron configurations are governed by a limitation called as the Pauli Exclusion Principle: No two electrons can have the same value for all four quantum numbers n, l, m a
Element is strongly electropositive and Y is strongly electronegative. Both element are univalent, the compounds formed from their combination will be: (1) X + Y -
5
name given to substance combination
solvent rates on the rate of reaction
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