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Calculate wave number of first line of balmer series for lithium positive

Calculate wave number of first line of balmer series for lithium positive

Grade:11

1 Answers

Vikas TU
14149 Points
4 years ago
 

Figure wave number of first line of balmer arrangement for lithium positive 2 
The wavenumber (w) is specifically relative to the recurrence. 
Doubly ionized lithium (Li++ particle) is a hydrogen-like molecule in that it has only one 
electron, yet the nuclear number (Z) is 3. The summed up Rydberg recipe for 
hydrogen-like particles of nuclear number Z then moves toward becoming: f = Z²cR(1/L² - 1/U²). 
So if Z = 3, f (and furthermore w) are increased by a component of Z² or 9 for the Li++ particle. 
In the event that w for customary hydrogen is 15200 waves for each cm. at that point w for doubly ionized Li 
is 9 times that, or 136,800 waves for each cm 

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