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The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
An element X with the electronic configuration 1s 2 , 2s 2 , 2p 6 , 3s 2 , would be expected to form the chloride with the formula: (1) XCl 3 (2) Xcl 2 (3) XCl
what is the unabbreviated electron configuration of lanthanum
Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3
my question is sodium carbonate is widely used in the manufacture of products such as glass, bread, water softeners and soaps. most sodium carbonate is produced industrially using
It is stated that Bohrs theory is applicable to hydrogen like ions.why? Ans) It is not stated in bohr''s theory but it is a drawback of his theory. The reason for this is
I want to know about law of inverse proportion clearly.
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
what rules and principles are violated in the following electronic configuration: 1s22s3
what is compsitional defect
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