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The magnetic quantum number specifies:
(1) Size of orbitals
(2) Shape of orbitals
(3) Orientation of orbitals
(4) Nuclear stability
Ans: Orientation of orbitals
When an electron drops from a higher energy level to a low energy level, then: (1) Atomic number decreases (2) Energy is absorbed (3) Atomic number increases (4) Energ
synthesis and uses of DDT and BHC
Burgers vector in screw dislocation The Burgers vector, often signified by b, is a vector that shows the magnitude and direction of the lattice distortion of dislocation in a
Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
The formation of energy bonds in solids are in accordance with: (1) Heisenberg's uncertainty principle (2)Bohr's theory (3 )Ohm's law (4) Rutherford's atomic model
name and chemical formula of blue vitriol
Quantitative analysis: The quantitative analysis could be carried out using standard calibration curve, through standard addition or internal addition method. The method is su
Q. Show Formula Mask synthesised by Wemer? In all the compounds with the formula Mask synthesised by Wemer, he could isolate only two isomers. This indicated that the structure
de-Broglie equation is: (1) n γ= 2d sin θ (2) E= hv (3) E= mc 2 (4) γ= h/ mv Ans: γ= h/ mv
why exception is seen in lanthanoids
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