What is the value of n for the level in which the electron originated?

In summary, the letter n represents the principal quantum number in the atomic model, determining the energy level and distance of an electron from the nucleus. The higher the value of n, the higher the energy of the electron, with closer energy levels making it easier for the electron to move up. The maximum value of n is equal to the number of energy levels in an atom, determined by the electron's location in the electron configuration. The value of n also directly affects the chemical properties of an element by determining the number of electrons in the outermost energy level and therefore its reactivity and ability to form bonds.
  • #1
plstevens
18
0
An electron in a hydrogen atom relaxes to the n= 4 level, emitting light of 114THz.
 
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  • #2
should be n=6
E=hf = (6.63*10^-34)(114*10^12) = 7.56*10^-20J = 0.472eV
E4= -13.6/4^2
En = -13.6/n^2
delta E =En-E4=0.85-13.6/n^2
deltaE = 0.472
you will find n=6
 
  • #3
Thank you so much, but i have one question:

when u did 114*10^12 was that showing the conversion factor from THz to Hz?
 
  • #4
also in the first step, how did u convert from J to eV? And where did delta E come from?
 
  • #5
1THz = 10^12 Hz
1eV =1.6*10^-19 J
(7,.56 *10^-20)/(1.6*10^-19) = ? eV
 

1. What is the meaning of n in the context of electron levels?

The letter n represents the principal quantum number in the atomic model. It determines the energy level of the electron and its distance from the nucleus.

2. How does the value of n affect the energy of the electron?

The higher the value of n, the higher the energy of the electron. As n increases, the energy levels become closer together, making it easier for the electron to move to a higher energy level.

3. What is the maximum value of n for an electron in an atom?

The maximum value of n is equal to the number of energy levels in an atom. For example, in hydrogen, there is only one energy level, so n can only have a maximum value of 1.

4. How is the value of n determined for an electron?

The value of n is determined by the electron's location in the atom's electron configuration. It is based on the number of electrons in the previous energy level and the number of electrons in the current energy level.

5. Does the value of n have any impact on the chemical properties of an element?

Yes, the value of n directly affects the chemical properties of an element. The number of electrons in the outermost energy level, which is determined by n, determines the element's reactivity and ability to form bonds with other elements.

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