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When the azimuthal quantum number has a value of l= l , the shape of the orbital is : (1) Unsymmetrical (2) Spherically symmetrical (3) Dumb-bell (4)Complicated Ans:
find two different substances and how they are produced. Once you have this information, look at their properties and how they are used, and explain how these properties affect th
how to determine the bond polarity and the potential of the two electrodes given: Eg Ag/Zn
The third line in Balmer series corresponds to an electronic transition between which Bohr's orbits in hydrogen: (1) 5 → 3 (2) 5 → 2 (3) 4→ 3
electronic vinyas
Q. What is the use of Gallium? Gallium is mainly used in semiconductor technology. It is used for doping other semiconductor and in solid state devices such as transistors.
Problem: Let us calculate Q value of the reaction 27 Al (d, α) 25 Mg Answer: Given that masses of 27 Al = 26.981541 2 H = 2.014102 4 He = 4.
Number of protons, neutrons and electrons in the element 231/89 y is: (1) 89, 231, 89 (2) 89, 89, 242 (3) 89, 142, 89 (4) 89, 71, 89 Ans: 89, 142, 89
Why does p-methoxybenzyl bromide reacts with ethanol faster than p-nitrobenzylbromide Solution) Because o-ch 3 is electron donating group while NO 2 is a electron withdrawing g
Q. Show the Liquation in purification of metals? Crude tin, bismuth and lead are purified by liquation. In this process, the impure metal is placed at the top of a sloping hear
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