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According to Bohr's principle, the relation between principle quantum number and radius of orbit is:
(1) r ∞ n
(2) r ∞ n2
(3) ∞1/n
(4) r∞ 1/ n2
Ans: r ∞ n2
Which of the following electronic configuration is not possible: (1) 1s 2 2s 2 (2) 1s 2 2s 2 2p6 (3) [Ar]3d 10 4s 2 4
what is screening effect ?
PHOTO CHEMICAL COMBINATION OF HYDROGEN&IODINE
Q. Show the chemical of Boron and aluminium? Boron and aluminium when heated with nitrogen torn the nitrides BN and AIN Nitrides of Ga and in are formed by heating the elements
Desiccants (drying agents) can often be regenerated by heating. A desiccant that is commonly regenerated is CaSO 4 ?2H 2 O:
d block elements boiling point
Nomenclature of simple aromatic compounds Aromatic compounds are those that consist of one or more benzene rings in them. An aromatic substance has two major types: (1) Nucl
WHAT ARE ELEMENTS OF D BLOCK ELEMENTS
Determine the alcoholic acidity of the given sample of flour. After undertaking this activity, you will be able to: • assess the acidity the given sample of flour, and •
standard estimation protocol
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