dontcare7045
04.02.2020 •
Chemistry
When the excited electron in a hydrogen atom falls from to , a photon of blue light is emitted. if an excited electron in falls from , which energy level must it fall to so that a similar blue light (as with hydrogen) is emitted? prove it.
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Ответ:
n = 3 for similar blue light
Explanation:
The principle applied here is energy levels and energy changes. There are different energy levels depending on the value of the integer as explained by Max planck - a german physicist in 1900, Max planck claimed that electrons in an atom were presumed to be oscillating with a frequency f, then there enrrgy will be given by the plancks equation ; E =hf, where h is the plancks constant.
In general energy of each level can be written as E =nhf
Ответ:
The Danes were enjoying prosperity, after having conquered many other tribes through battle, Shield Sheafson as their leader. He is described as a 'scourge of many tribes, / a wreaker of mead-benches, rampaging among foes' (lines 4-5).
Explanation: