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Explain the following observations:
(i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
GROUP 14: TIN AND LEAD Tin and lead give some resemblance to the lighter elements in group 14, especially Ge. Although they are uniquely more metallic in their physical and chem
Mixed melting point - Criteria of purity of organic compound The melting point of two carefully mixed substances is known as mixed melting point. This can as well be used for
Q. Physical Properties of group16? Similar to the groups discussed earlier. The metallic character in Group 16, increases with increasing atomic number. Oxygen and sulphur are
Comment on each of the raw water parameter's significance in relation to the selection of appropriate water treatment process. Sketch a flow diagram of a treatment process to pr
IN AMMONIUM ION NITROGEN DOESNT HAVE VALENCE ELECTRONS IN ITS VALENCE ORBITAL.
The uncertainty in momentum of an electron is 1 x10 -5 kg- m/s . The uncertainty in its position will be (h= 6.62 x 10 -34 kg - m 2 / s): (1) 1.05 x 10- 28 m
Hydrogen
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calculate the molarity of sodiun in 0.66ml water
Q. Show the rate of decrease in atomic radius? The rate of decrease in atomic radius along the lanthanide series and also along the actinide series is even less than that in th
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