Angular momentum for third electron of Lithium

In summary, the conversation discusses the values of angular momentum and energy for the third electron of a Lithium atom in its permissible orbit. The equations for calculating these values are given, and there is a question about the correctness of the answer. It is clarified that these equations are only applicable for Li2+ ion, not Li atom, and the answer may be correct with simple substitution. The conversation also mentions that the topic being discussed is related to the study of the Bohr Model.
  • #1
xiphoid
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Homework Statement


For the third electron of Lithium atom moving in its permissible orbit, the values of angular momentum and the energy are?


Homework Equations


E= -2π2e4mZ2/n2h2
Third electron is in the second orbit


The Attempt at a Solution


The value for energy should be -9∏2e4m/2h2
Correct me if i am wrong for the above answer,
Angular momentum= nh/2∏
So its value should h/∏

Am i right?
 
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  • #2
These equations are only applicable for Li2+ ion, as Bohr Model are only applicable for Single electron species.
 
  • #3
So, what do you think, my answer is right?
AGNuke said:
These equations are only applicable for Li2+ ion, as Bohr Model are only applicable for Single electron species.
 
  • #4
Can't say about Li "atom". Talk about Li "ion". Then your answer may be right, simple substitution.

Well, owing to the fact you asked multiple questions, I guess you are studying Bohr Model.
 
  • #5


I cannot confirm the accuracy of your calculations without knowing the specific values of the variables in the equations. However, your approach seems to be correct. The energy of the third electron in the second orbit of a Lithium atom can be calculated using the equation E= -2π2e4mZ2/n2h2, where e is the charge of an electron, m is the mass of an electron, Z is the atomic number of Lithium (3), and n is the orbit number (2). Similarly, the angular momentum of the third electron can be calculated using the equation L= nh/2π, where n is the orbit number and h is Planck's constant. Without knowing the specific values of the variables, I cannot confirm the exact values for energy and angular momentum, but your approach seems to be correct.
 

FAQ: Angular momentum for third electron of Lithium

1. What is the angular momentum of the third electron in a Lithium atom?

The angular momentum of the third electron in a Lithium atom is determined by its principal quantum number, which is n=2. This means that the third electron has an angular momentum of 1, as it is in the second energy level.

2. How does the angular momentum of the third electron in a Lithium atom affect its energy level?

The angular momentum of the third electron in a Lithium atom determines its energy level, as it is directly related to the principal quantum number. The higher the angular momentum, the higher the energy level of the electron will be.

3. Does the angular momentum of the third electron in a Lithium atom change?

Yes, the angular momentum of the third electron in a Lithium atom can change when the electron absorbs or emits a photon. This changes the energy level of the electron, and therefore its angular momentum as well.

4. How does the angular momentum of the third electron in a Lithium atom contribute to its chemical properties?

The angular momentum of the third electron in a Lithium atom contributes to its chemical properties by determining the electron's position in the atom and how it interacts with other atoms. The higher the angular momentum, the more likely the electron is to be found further from the nucleus, making it more reactive.

5. Can the angular momentum of the third electron in a Lithium atom be measured?

Yes, the angular momentum of the third electron in a Lithium atom can be measured using spectroscopy techniques. By analyzing the wavelengths of light emitted or absorbed by the electron, scientists can determine its angular momentum and energy level.

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