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Which of the following sets is possible for quantum numbers:
(1) n=4, l=3, m= -2 , s=0
(2) n=4, l=4, m= +2 , s=1/2
(3) n=4, l=3, m= -2 , s=+1/2
(4)n=4, l=3, m= -2 , s=+1/2
Ans: n=4, l=3, m= -2 , s=+1/2
A flash separator "flashes" (abrupt increase in temperature and pressure) a liquid stream containing multiple species. Not all of the liquid vaporizes, but the vapor that does form
Askccomparison between caulometry and electrogravimetry question #Minimum 100 words accepted#
Volumetric method for acids and bases - chemical methods Molecular mass of an acid can be ascertained by dissolving a known mass of the acid in water and titrating the solution
Strategy 1 Wheat flour F 3940 g is, mixed with 60g of A, B and C, yielding a ratio of chemicals to flour of 3:197 in all formulations. All mixtures are produced in total amoun
The set of quantum numbers n= 3, l=0, m=0, s= -1/2 belongs to the element: (1) Mg (2) Na (3) Ne (4) F Ans: Mg
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
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what can be understood from the law of multiple proportions?
what are causes of chemical bonding?
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