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The principal quantum number represents:
(1) Shape of an orbital
(2) Distance of electron from nucleus
(3) Number of electrons in an orbit
(4) Number of orbitals in an orbit
Ans: Distance of electron from nucleus
classification
(a) Given the values below, Determine the concentration of benzoyl peroxide needed to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymeris
For a given value of quantum number l , the number of allowed values of is given by: (1) l+2 (2) 2l+2 (3) 2l+ 1 (4)
Point of differences between boron and silicon
Calculate energy of Rb per atom if light of wave length 5.4(10^-8)m produces electron with a speed of 2.450(10^6)
What is the chemical formula for hard water?
What are photochemical reactions? Explain the mechanism of the photo- chemical reaction occurring among hydrogen and chlorine gas.
Could you please provide me the priority order of polyfunctional prefixes
how to nomenclate bicyclo compounds
The four quantum numbers of the valence electron of potassium are : (1) 4, 1, 0 and 1/2 (2) 4, 0, 1 and 1/2 (3) 4, 0, 0 and +1/2 (4) 4, 1, 1 and 1/
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