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electronic cofiguration of f-block elements
Q. Composition of the nucleus Since the time of Rutherford, other scientists have learned a significant amount about the fundamental properties about the nucleus of an atom. In
the reaction of ammonium chloride with sulphuric acid
Chemical properties
Which set of quantum numbers are not possible from the following: (1) n=3, l= 2, m=0, s= -1/2 (2) n=3, l= 2, m=-2 s= -1/2 (3) n=3, l= 3, m=-3,
write the different units of hardness with their relationship
Saponification value - Analysis of oils and fats It is quantify of fatty acids denote as esters in oils and fats. It is described as the number of milligrams of KOH needed to s
What is heat atomisatin? Solution : Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.
The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
what are protocols
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