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Pauli's exclusion principle states that :
(1) Nucleus of an atom contains no negative charge
(2) Electrons move in circular orbits around the nucleus
(3) Electrons occupy orbitals of lowest energy
(4) All the four quantum numbers of two electrons in an atom cannot be equal
Ans: All the four quantum numbers of two electrons in an atom cannot be equal
I well know about electromagnetic spectrum but I did not know the any scope of spectroscopy & I want to know about I r spectra in detail & absorption spectroscopy.
Isomers, which vary in the rotation of the plane polarized light, are known as Optical Isomerism.
A solution contains an unknown amount of osmium at the µg/g level, or below. Chemically pure osmium (Os) may be separated from the solution, but the chemical yields are variable an
Lattice energy of an ionic compound depends upon: (1) Charge on the ion only (2) Size of the ion only (3) Packing of ions only (4) Charge on the ion and size of the io
Which of the following orbital is not possible: (1) 3 f (2) 4 f (3)5 f (4) 6 f Ans: 3 f
is vinegar has a pungent odor. is it chemical or physical property?
between nitrobenzene and phenol which is more reactive towards chlorine and why? Upon reaction with chlorine what products can be formed from the two reactions.
What happens when a melt containing 1% Ag and 99% Pb is cooled?
Examples for the compound which is both doublesalt and complex compound? Ans) A Compound that is double salt cannot be a complex compound.
Q. Concentration factors affecting taste quality? There is a specific range at which the tasteful substances should be used. The concentration required for identification is
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