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When the azimuthal quantum number has a value of l=0 , the shape of the orbital is:
(1) Rectangular
(2)Spherical
(3)Dumbbell
(4)Unsymmetrical
Ans: Spherical
d 5
Difference between DNA and RNA DNA RNA DNA has a double helix structure. RNA comprises a single helix structure.
structure and uses
what is bomb calorimeter in detail?
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
Q. What do you mean by Permissible level ? To regulate and enforce safety about the use of these synthetic colours and dyes PFA, 1954 has covered their use in part IV comprisin
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,
Why magnesium does not impart any colour to Bunsen flame while calcium does
Benefits of flame photometry: The subsequent are the main advantages of flame photometry. It gives high sensitivity and high reliability for the determination of elemen
s block
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