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Which of the following has the least energy:
(1) 2p
(2) 3p
(3) 2s
(4) 4d
Ans: 2s
The four quantum number for the valence shell electron or last electron of sodium (Z = 11) is: (1) n =1, l= 1, m= -1, s= -1/2 (2) n =3, l=0, m=0, s= +1/2 (3) n =3,
Q. Extraction of f-block element ? As all the lanthanides occur together in nature, their extraction involves two main steps: (i) separation from one another and (ii) reducti
Draw a typical triglyceride and name its building blocks. Mark centres of chirality. The reaction cascade exact to fatty acid degradation is called "β-oxidation". It take
how to remember tyhem
Need to know about atomic mass of clorine
TEST EQUATION
(a) De?ne surveying. Brie?y describe about chain and accessories. (b) Sketch the plan and suitable section of a single room having 5.0 m X 4m size and 3m height. Assume the ba
the most stable structure of chrysene
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Explain ,Why NH 4 + ion doesnot form complexes? solution) NH 4 + Ion does not act as ligand because nitrogen atom has no lone pair of electrons which it can donate to metal a
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