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An ion has 18 electrons in the outermost shell, it is:
(1) Cu+
(2) Th4+
(3) Cs+
(4) K+
Ans: Cu+
The orbital angular momentum of an electron in 2s -orbital is: (1) 1/2 h/ 2Π (2) h/ 2Π (3) √2 h/ 2 Π (4) Zero Ans
list down all the chemical properties of s- block?
The density of gold is 19.30g/ml how much volume of gold will have a mass of 34.5kg ion..
what are the strong and biodegradable binder?
why nnitroalkanes are highly polor compounds*
what is the function of the charcoal in the purification of the 4-nitroanine 2.why is it not possible to obtain 2-and 4-nitroaniline by direct nitration of aniline (phenylamine)
GEOCHEMISTRY The chemical processes taking place in the crust are especially important as they have build ores, concentrated mineral deposits that are exploited industrially
process of metallurgy
Reaction with Dehydration of alcohol Reaction with H 2 SO 4 [Dehydration of alcohol]: The removal of water from a compound is termed as dehydration. The sequence of simple deh
Q. What are the diffrent forms of energy? Ans: Kinetic energy is energy of motion. Gas molecules of a given substance move much more rapidly than do the molecules in the soli
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