QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
| atom | subshell from which electron removed to form + 1 cation | subshell to which electron added to form - 1 anion |
| --- | --- | --- |
| H | 1s | 1s |
| Sn | 1 1 | 1 |
| Co | 1 1 | 1 1 |
| Xe | 1 1 | 1 1 |
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Answer
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Step 1: Identify the subshell from which an electron is removed to form a cation and the subshell to which an electron is added to form an anion.
For a cation, we are removing an electron, so we need to identify the subshell with the highest principal quantum number ($n$) and lowest azimuthal quantum number ($l$) since these electrons are lost first.
For an anion, we are adding an electron, so we need to identify the subshell with the lowest principal quantum number and highest azimuthal quantum number since these electrons are added last.
Step 2: Analyze the subshells for each atom.
To form a $Xe^{2-}$ anion, two electrons are added to the $6s$ subshell (since the $5p$ subshell is already full).
Final Answer
| atom | subshell from which electron removed to form + 1 cation | subshell to which electron added to form - 1 anion | |---------|-----------------------------------------------------|---------------------------------------------------| | H | 1s | 1s | | Sn | 5p | 5d | | Co | 4s | 5s | | Xe | 5p | 6s |
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