Northern Michigan University

H2−C−+N≡N (II)

What is the formal charge of carbon in this resonance structure

What is the formal charge of carbon  in the resonance structure of  CH2N2?

What is the wavelength in nm of a photon emitted from an H atom if an electron transfers from n=6 to n=3

Answer should have 4 sig figs

Which of the following is a correct set of quantum numbers for an electron in a 3p orbital? 

a. n = 3, l = 3, ml = +2
b. n = 3, l = 2, ml = -3
c. n = 3, l = 1, ml = +1
d. n = 3, l = 0, ml = -1
e. n = 3, l = 2, ml = 3

Calculate the wavelength of the light emitted by a hydrogen atom during a transition of its electron from the n = 4 to the n = 1 principal energy level.

(Your answer should be in nm and have 4 sig figs)
 

( See equation sheet for formulas and constants)
 

Answer:

In what part of the electromagnetic spectrum is the photon for the question above?

a.

Radio waves
 

b.

Visible light
 

c.

microwaves
 

d.

infrared
 

e.

ultraviolet

Calculate the wavelength of the light emitted by a hydrogen atom during a transition of its electron from the n = 4 to the n = 1 principal energy level.

(Your answer should be in nm and have 4 sig figs)
 

( See equation sheet for formulas and constants)