Het schijnt een heel erg groot mysterie te zijn en niemand kan er antwoord op geven..
Waarom heten de schillen van een atoom de K (K-Vangst) de L en de M schil? Deze schillen worden veel genoemd in verband met radioactieve straling. Iemand een antwoord?
Reacties
Bert
op
25 mei 2004 om 23:08
Dag Kris,
ik wist het ook niet, maar was net als jij nieuwsgierig. Hieronder wat ik vond op:http://education.jlab.org/qa/historyele_02.html
+++++++++++++++++++++++ Why do the electron shells begin being named with K, L, M, N, and not with A, B, C?
The names of the electron shells come from a fellow named Charles G. Barkla, a spectroscopist who studied the X-rays that are emitted by atoms when they are hit with high energy electrons. He noticed that atoms appeared to emit two types of X-rays. The two types of X-rays differed in energy and Barkla originally called the higher energy X-ray type A and the lower energy X-ray type B. He later renamed these two types K and L since he realized that the highest energy X-rays produced in his experiments might not be the highest energy X-ray possible. He wanted to make certain that there was room to add more discoveries without ending up with an alphabetical list of X-rays whose energies were mixed up.
As it turns out, the K type X-ray is the highest energy X-ray an atom can emit. It is produced when an electron in the innermost shell is knocked free and then recaptured. This innermost shell is now called the K-shell, after the label used for the X-ray. Barkla won the 1917 Nobel Prize for Physics for this work. Author: Steve Gagnon, Science Education Specialist +++++++++++++++++++++
