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Transition metals are substances of the d block that form compounds where electrons from d orbitals are ionized or otherwise accept in bonding. Typical transition metal characteristics have: the possibility of variable oxidation states; compounds with spectroscopic, structural or magnetic features resulting from partially occupied d orbitals; an extensive range of organometallic and complexes compounds including ones with very low oxidation state and useful catalytic properties displayed by solid and by metals or molecular compounds. Different transition metals show these features to different degrees, but together the properties form a sufficiently coherent pattern that the elements are best dealt with by themed Topics rather than as groups or individually.
For ns orbital, the magnetic quantum number has value: (1) 2 (2) 4 (3) - 1 (4) 0 Ans:0
Physical properties of Acetone - Aldehydes and Ketones (a) Acetone is a colourless liquid with characteristic pleasant odour. (b) Acetone is inflammable liquid. It boils at
Smell - Physical characteristics of carbonyl compounds Along with the exception of lower aldehydes that have unpleasant odours, aldehydes and ketones have usually pleasant smel
decreasing order of +M.E. group
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
Properties of Gases Gases are easily expandable ,compressible unlike solids and liquids. Gases are measurured in pressure.Pressure is defined as force exerted per unit area of
why is the f-block grouped in the way it is
Q. How to calculate Percent Yield? Ans. When you make cookies the recipe may claim to make a certain number of them, but usually in the end there are less. There might be
Principle of atomic fluorescence spectrometry: In AFS, the analyte is converted within gaseous atoms in the ground state using a appropriate atomization technique. These are t
weiss indices notes in english
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