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Pauli's exclusion principle states that:
(1) Two electrons in the same atom can have the same energy
(2) Two electrons in the same atom cannot have the same spin
(3) The electrons tend to occupy different orbitals as far as possible
(4) Electrons tend to occupy lower energy orbitals preferentially
(5) None of the above
Ans: None of the above
2 thermometers, A and B, are wrapped in pieces of gauze. The gauze around thermometer A is moistened with water and the gauze around thermometer B is moistened with Ether(a volatil
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In the transition of Zn atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A
Redox systems in bioinorganic chemistry
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Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
p-orbitals of an atom in presence of magnetic field are: (1) Two fold degenerate (2) Non degenerate (3) Three fold degenerate (4) None of these Ans: Non degenerate
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what is sludge and scale formation describe
Dielectric loss: These losses occur because of electrons hopping from single lattice site to another in transition metal oxides.
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