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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
The frequency of strong yellow light in the spectrum of sodium is 5.09•10*14s calculated the wavelength of light
An excess of NaOH solution was added to 100 ml of a ferric chloride solution. This caused the precipitation of 1.425 gram of Fe(OH)3 . calculate the normality of ferric chloride so
What is the difference among multimolecular and macromolecular colloids? Give one example of each type. How are associated colloids dissimilar from these two types of colloids?
Uses of Dihydric alcohols (a) Dihydric alcohols are used as antifreeze in car radiators. (b) Dihydric alcohols is used in the manufacture of dacron, dioxane etc. (c) Dihy
why Zn metal regarded other element
trivalent acid and basic radicals
Imp reactions of p block
As the electron move away from the nucleus,its potential energy
explain how adsorption as a method of water treatment
(a) Co-ordination compound A co-ordination compound contains a central metal atom or cation which is surrounded by a suitable number of anions or neutral molecules and usually re
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