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Electron occupies the available orbital singly before pairing in any one orbital occurs, it is:
(1) Pauli's exclusion principle
(2) Hund's Rule
(3) Heisenberg's principle
(4) Prout's hypothesis
Ans: Hund's Rule
The four quantum number for the valence shell electron or last electron of sodium (Z = 11) is: (1) n =1, l= 1, m= -1, s= -1/2 (2) n =3, l=0, m=0, s= +1/2 (3) n =3,
why is carbon valency four
Composition of hydrocarbon (i) Alkanes: found 30 to 70% consist of upto 40 carbon molecule. Alkanes are mainly linear chain but some are branched chain isomers. (ii) Cycloal
explain the bonding and structure in transition metal carbonyls
.
how redox reaction influencing in everyday life
apparatus and principle of Flah photolysis...and 3rd order reaction with two same and one different concentration.
i. Talk about the terms "short circuiting" and "turbulence" in settling tanks under the following headings - causes, effects and design improvements/remedial calculates taken to av
Aluminium metal is frequently used as a reducing agent for the extraction of metals such as Chromium, Manganese etc. Explain why? Ans) The free energy change for the formation o
DISCUSS THE WEAKNESSES OF THE VALENCE BOND THEORY AND CRYSTAL FIELD THEORY
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