1. An electron in a hydrogen atom makes a transition from the n = 74 to the n = 3 energy state. Determine the wavelength of the emitted photon (in nm).

Enter an integer.

2. An electron in a hydrogen atom makes a transition from the n = 8 to the n = 2 energy state. Determine the wavelength of the emitted photon (in nm).

Group of answer choices

a. 182

b. 246

c. 1461

d. 614

e. 389

3. What is thesignificance ofthe quantum number m when specifying energy eigenfunction or orbital of atoms?

Group of answer choices

a. It represents the magnitude of the angular momentum of the orbital.

b. It denotes the size of an eigenfunction or orbital.

c. It indicates the orientation of the orbital.

d. It represents the shape of the orbital.

4. A hydrogenic ion with Z = 12is excited from its ground state to the state with n = 3. How much energy (in eV) must be absorbed by the ion?

Enter a number with one digit after the decimal point.