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How many electrons can be accommodated in a sub-shell for which n=3, l=1:
(1) 8
(2) 6
(3) 18
(4) 32
Ans: 6
Q. What is Base units? There are seven base units given in SI. A base unit is a unit of calculate that is based on an object or event in the physical world. Lists of the seve
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If the velocity of hydrogen molecule is 5x 10 4 cm sec -1 then its de-Broglie wavelength is: (1) 2 Å (2) 4 Å (3) 8 Å (4)100 Å Ans: 4 Å
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The electron density between 1s and 2s orbital is : (1) High (2) Low (3) Zero (4)None of these Ans:Zero
how do i make a first class in chemistry, secondly in nigeria chemistry is based on too much theory. how do i make it in this case?
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
Calculate the pressures required to achieve a density of 220 g dm -3 , 330 g dm -3 , and 440 g dm -3 at temperatures of 305 K and 350 K. Properties, like the solvent powe
d orbital
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