Why Do Uranium Electron Configurations Differ?

In summary, the electron configuration of uranium is [Rn] 5f3 6d1 7s2, indicating a total of 92 electrons arranged in various energy levels and orbitals. This configuration is important because it determines the chemical and physical properties of the element. It is determined by the number of protons in the nucleus, with the [Rn] representing the noble gas radon. This configuration contributes to the stability of uranium by allowing it to have a filled inner core and a partially filled outer shell, making it energetically favorable for bonding with other elements.
  • #1
nesan
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Homework Statement



Electron Configuration of Uranium

The Attempt at a Solution



[Rn]7s^2 5f^4

But online it says

[Rn] 5f^3 6d^1 7s^2


Someone explain why please. Thank you. :)
 
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  • #2

Related to Why Do Uranium Electron Configurations Differ?

1. What is the electron configuration of uranium?

The electron configuration of uranium is [Rn] 5f3 6d1 7s2. This means that it has a total of 92 electrons arranged in various energy levels and orbitals.

2. Why is the electron configuration of uranium important?

The electron configuration of an element determines its chemical and physical properties. Knowing the electron configuration of uranium can help us understand its reactivity, bonding behavior, and other characteristics.

3. How is the electron configuration of uranium determined?

The electron configuration of an element is determined by the number of protons in its nucleus. Since uranium has 92 protons, its electron configuration follows the pattern of other elements with a similar atomic number.

4. What is the significance of the [Rn] in the electron configuration of uranium?

The [Rn] represents the noble gas, radon, which is the element with the atomic number of 86. The noble gas configuration indicates that the 86 electrons in radon have filled all of the lower energy levels, leaving only the outer energy levels to be filled in uranium.

5. How does the electron configuration of uranium contribute to its stability?

The electron configuration of uranium allows it to have a filled inner core of electrons and a partially filled outer shell. This makes it energetically favorable for uranium to bond with other elements, contributing to its overall stability.

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