QQuestionChemistry
QuestionChemistry
What is the most common ion charge for phosphorus?
A. + 5
B. + 3
C. - 3
D. - 1
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Answer
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Step 1:
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Step 2:
To reach the nearest noble gas configuration, phosphorus needs to gain three electrons to achieve the electron configuration of argon (Ar): \begin{align*} \text{Phosphorus (P):} & \quad 1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^3 \ \text{Argon (Ar):} & \quad 1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^6 \end{align*}
Step 3:
Gaining three electrons results in a + 3 ion charge for phosphorus: \text{Phosphorus ion (P}^{3 +}\text{):} \quad 1s^2\ 2s^2\ 2p^6\ 3s^2
Step 4:
Therefore, the most common ion charge for phosphorus is + 3.
Final Answer
The most common ion charge for phosphorus is + 3 (option B).
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