Identify the ions that correspond to the following electron configurations: (enter your answer with the symbol, numerical charge and sign with no spaces, for example O2-)
doubly positive ion with the electron configuration {Xe}4f^14 5d^10 6s^2 = ?
4+ ion with the electron configuration {Xe} 4f^14 5d^10 = ?
For the first one I got La2+
For the second one I got Po 4+
Am I correct?
To identify the ions corresponding to the given electron configurations, we need to determine the element and its charge based on the electron configuration.
First, let's break down the electron configurations:
For the first electron configuration "{Xe} 4f^14 5d^10 6s^2", we have:
- "{Xe}" represents the electron configuration of xenon (Xe)
- "4f^14" represents the completely filled f subshell, meaning it has 14 electrons in it
- "5d^10" represents the completely filled d subshell, meaning it has 10 electrons in it
- "6s^2" represents the two electrons in the 6s subshell
To identify the element, we need to consider the element that comes after xenon (Xe) in the periodic table. Xenon is the noble gas in Group 18, and the next element is lanthanum (La) in Group 3.
Since the electron configuration indicates the loss of two electrons from the 6s subshell, we can determine that the ion corresponding to this electron configuration is La2+.
For the second electron configuration "{Xe} 4f^14 5d^10", we have:
- "{Xe}" represents the electron configuration of xenon (Xe)
- "4f^14" represents the completely filled f subshell, meaning it has 14 electrons in it
- "5d^10" represents the completely filled d subshell, meaning it has 10 electrons in it
As before, we need to consider the element that comes after xenon (Xe) in the periodic table. Xenon is the noble gas in Group 18, and the next element is polonium (Po) in Group 16.
Since the electron configuration indicates the loss of four electrons, we can determine that the ion corresponding to this electron configuration is Po4+.
Therefore, your answers are correct:
- The doubly positive ion with the electron configuration "{Xe} 4f^14 5d^10 6s^2" is La2+ (lanthanum ion with a 2+ charge).
- The 4+ ion with the electron configuration "{Xe} 4f^14 5d^10" is Po4+ (polonium ion with a 4+ charge).