All Questions
Tagged with absorption quantum-chemistry
5
questions
2
votes
0
answers
62
views
Auxochrome groups and red shift
Wikipedia states that "An auxochrome is known as a compound that produces a batochromic shift, also known as a red shift because it increases the absorption wavelength, thus approaching infrared ...
- 127
0
votes
1
answer
234
views
Photoelectric effect with 0 Kinetic Energy?
Does the photoelectric effect take place if the frequency of the photon is exactly equal to the threshold frequency of the metal? I know the electron is going to be free, but it will have 0 kinetic ...
- 173
2
votes
0
answers
63
views
Absorption and ionization of rare earth ions
I'm studying silicate photosensitive glasses that contain $\ce{Ce}$ ions, and such glasses have an absorption band at 305 nm due to $\ce{Ce^3+}$. After that, the $\ce{Ce^3+}$ ion becomes $\ce{Ce^4+}$, ...
2
votes
1
answer
131
views
Resonance condition for absorption of energy
In NMR, for example, why it is not possible to excite nuclei from one spin state to another using energy of arbitrary frequency?
- 29
1
vote
0
answers
56
views
Sulfur atomic absorption
Would the atomic absorption from FAA for Sulfur be from 3s2 -> 3p4 or 3p4 -> 4s0?
I think according to the electronic partition function, there would be zero electrons in the 4s0 state at the ...
- 441