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Who modified Bohr's theory by introducing elliptical orbits for electron path:
(1) Hund
(2) Thomson
(3) Rutherford
(4) Sommerfield
Ans: Sommerfield
uses of potassium oxalato aluminate
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
Nucleophilic aromatic substitution reaction The product is formed by a nucleophilic aromatic substitution reaction in which chloride is displaced by hydroxide ion. The product
According to Bohr's principle, the relation between principle quantum number and radius of orbit is: (1) r ∞ n (2) r ∞ n 2 (3) ∞1/n (4) r∞ 1/ n 2 Ans: r
ORIGIN AND ABUNDANCE OF THE ELEMENTS The synthesis of elements needs nuclear reactions, of which the most important type is the fusion of two light nuclei to prepare one of
what are the failure of octate rule
Unlike components of the 3 d series, 4 d and 5 d elements have little simple aqueous cationic chemistry. The main exceptions are La3+ and Y3+, and Ag+, which builds some soluble
The number of unpaired electrons in 1s 2 2s 2 2p 4 is: (1) 4 (2) 2 (3) 0 (4) 1 Ans: 2
Ask questiwhat is cryoscopyon?
applications of photochemistry
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