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Energy of electron of hydrogen atom in second Bohr orbit is: (1)-5.44x10 -19 j (2)- 5.44x10 -19 kj (3)-5.44x10 -19 cal
A flash separator "flashes" (abrupt increase in temperature and pressure) a liquid stream containing multiple species. Not all of the liquid vaporizes, but the vapor that does form
why halogens are both +R and -I groups?
what is the modern purpose of this reaction?
atoms combine to form molecule because they tend to
Write the periods of periodic table have d-block element
why digonal relationship made
#questionproperties of p block elements ..
Artificial process for manufacture of Petrol or gasoline (a) Cracking, (b) Synthesis
An e - has magnetic quantum number as 3, what is its principal quantum number: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
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