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Following Hund's rule which element contains six unpaired electron:
(1) Fe
(2) Co
(3) Ni
(4) Cr
Ans: Cr
Calculation of Number of Atoms per Unit Cell of HCP (n): One half of the each of the 2 base centre atoms (2x1/2), one six of the every of the 12 corner atoms (12x1/6) and all
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standard estimation protocol
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WHAT IS THE EQUIVALENT WEIGHT OF Mg(HCO3)2
Calculate the force constant of CF4 and SiF4 and compare their relative strengths with each other. The heats of formation of CF 4 and SiF 4 are -1222 kJmol -1 and -1615
why Px orbitol reside outside in bonding orbitol in elements have Z>7
What are the main sources of electrical resistance in a metal? The factors which affect electrical resistance of a metal are impurity, temperature and alloying. Free mean path o
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