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The electronic structure of four elements A, B, C, D are:
(1) 1s2
(2) 1s2, 2s2, 2p2,
(3) 1s2, 2s2, 2p5,
(4) 1s2, 2s2, 2p6
Ans: 1s2, 2s2, 2p5,
If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1 , it cannot be presented in an: (1) d -orbital (2) f -orbital (3) p -orbital (4)s-
disadvantages of sludge formation
Q. Explain Specific Heat and caluclate amount of heat transferred? Ans. The amount of heat transferred to a substance depends on three things: a) amount of the substance
Condensers are an integral part of a distillation process. As we have seen, the vapor feed from the distillation column can enter either a partial condenser or a complete condenser
The known metal ion solution used contains 0.10 M of each of the six metal ions (i.e. 0.10 M Ag+ and 0.10M Pb2+). An equal volume of 3 M HCl and the known solution are mixed. What
Antioxidants: Antioxidants are the significant and essential food additives. These substances hold back the action of oxygen on the food and hence help in its preservation. Th
what are the diferent types of indicators and describe them
Method for Detection of Elements - Phosphorus Phosphorus is detected through fusing the organic compound along with sodium peroxide while phosphorus is converted into sodium ph
For ns orbital, the magnetic quantum number has value: (1) 2 (2) 4 (3) - 1 (4) 0 Ans:0
explain why Ni(co)4 is known while Ca(co)4 is not known
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