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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum?
Ans) There is a formula for this i.e
[ (n2-n1+1)(n2-n1) / 2 ] So if acc. to your question n1=1 and n2=4 then the answer is 6
why does evaporation causes cooling
what volume in milliliters of 12.00M nitric acid (HNO3) stock solution would you us to make 750.0 ml of 3.00M nitric acid solution what volume in milliliters of 12.00M nitric acid
Applications of amperometry
Important reaction
laboratory preparation
name given to substance combination
i) Define a membrane in a process engineering context. Two of the main desired attributes of membranes are high permeability and high selectivity. Define permeability and select
iupac naming of ten bridged ligand containg complexes with their formulas
Dear sir, We need your consultancy in a technical problem that we are confronting, and we would really appreciate your help We are in the process of implementing the heavy metal an
For sodium atom the number of electrons with m=0 will be: (1) 2 (2) 27 (3) 9 (4) 8 Ans: 7
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