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Ratio of radii of second and first Bohr orbits of H atom: (1) 2 (2) 4 (3) 3 (4) 5 Ans: 4
In polar covalent molecule, one atom gets positive charge and the other one takes negative charge as known as dipole.
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-
Copper crystallizes into a FCC structure and the unit cell has length of edge 3.61 x10-8 cm. Calculate the density of copper if the molar mass of Cu is 63.5 g
lithium and beryllium markedly different from other members of their respectively groups
How to prepare my seminar paper ?
I want to know about law of inverse proportion clearly.
What volumne of 10.83 M HNO3 is required to prepare 683 mL of a 1.9 M HNO3 solution? Answer in units of mL
what is a Newtonian fluid?what is a non-Newtonian fluid?
I don''t understand the concept of normality and gram equivalent
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