Doubly-ionized lithium is a hydrogen-like ion, in which the ...

[hbsimmons88]

Doubly-ionized lithium is a hydrogen-like ion, in which the nucleus with charge 3e is orbited by a single electron.
 
  What wavelength light would be emitted from Li++ as the electron dropped from the n = 4 to the n = 3 orbit?
  A) 208 nm B) 470 nm C) 1.88 m D) 16.9 m

Question 2

If all fluid flow within a volume of fluid can be traced as streamlines, the fluid flow is
 
  A)
 
  turbulent flow.
  B)
 
  incompressible flow.
  C)
 
  nonviscous flow.
  D)
 
  laminar flow.
  E)
 
  irrotational flow.

[ryrychapman11]

Answer to Question 1

A

Answer to Question 2

D

[hbsimmons88]

Gracias!

[steff9894]

Excellent