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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-orbital
Ans: s-orbital
an activity on any two laws of chemical combination
The correct electronic configuration of Ti(Z= 22) atom is: (1) 1s 2 , 2s 2 , 2p 6 , 3p 6 , 4s 2 , 3d 2 , (2) 1s 2, 2s 2 , 2p 6 , 3p 6 , , 3d 4 , (3) 1s 2 , 2s
Q. Explain about Structural Isomerism? When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multi
Benzene hexa chloride reaction
The maximum number of electrons that can be accommodated in f sub shell is : (1) 2 (2) 8 (3) 32 (4) 14 Ans: 14
why is the valence electron 4s2 in the elelment Sc21 and not 3d1?
Q. Name of the reagent required for determination of hardness of water sample of complex metric method. Briefly give the function of each reagent used. Ans. Reagents requir
all explanation
OUTLINE AND EXPLAIN THE LIMITATIONS OF VBT
Q. What is Atomic emission spectra? Atomic emission spectra while atoms of an element in the gaseous phase are excited by an input of energy such as that from a high-voltage
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