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The expression for Bohr's radius of an atom is: (1) r= n 2 h 2 / 4 Π 2 me 4 z 2 (2) r= n 2 h 2 / 4 Π me 2 z 2 (3) r= n2h2/4 Π me 3
The structure of external most shell of inert gases is; (1) s 2 p 3 (2) s 2 p 6 (3) s 1 p 2 (4) d 10
#question:although CO is well known,why doesn''t SiO exist under normal conditions?
what is hypercongujative effect
ionic bond
Q. Show the Multiple covalent bonds between electron pairs? Ans. Two atoms may share one electron pair, two electron pairs or three electron pairs. The bonds formed in th
Procedures for determination and monitoring of shelf life Direct shelf life determination requires batches of samples to be taken at significant stages in the development or m
what are imperfection in solids
Cleaning action of soap and detergents
When are conditions right for harvesting a crop? When the crop is ready for harvest, will depend largely on weather conditions and the state of the market. When the deci
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