Question

In: Chemistry

1) How many photons are emitted during a transition from a higher level orbit to a...

1) How many photons are emitted during a transition from a higher level orbit to a lower level orbit? a)1 b)2 c)3 d)4

2) True/False? An electron can transition from any allowed orbit to any other allowed orbit.

3) What is the wavelength of light emitted when an electron drops from the 3 to the 2 shell in a hydrogen atom?

Solutions

Expert Solution

1. E = E2-E1 =n hV

    E = nhV n =1,2,3 ....

E2-E1 = hV

n=1

a.1 answer

2 . True

electron transition from higher energy level to lwer energy level and lower energy level to higher energy level.

3. 1/   = RH[1/n12 -1/n22]

       1/     = 109677[1/22 --1/32]

                  = 109677[0.25-0.11]

                  = 109677*0.14

                 = 15354.78   = 6.5*10-5 cm

        


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