Gibbs Weber
01/13/2024 · Middle School
9 protons, 10 electrons Express your answer as an ion.
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Step-by-step Solution
An atom with 9 protons is fluorine (F), which normally has 9 electrons, making it neutral. However, if it has 10 electrons, it has gained an extra electron, resulting in a negative charge.
The charge can be calculated as follows:
- Protons = 9 (positive charge)
- Electrons = 10 (negative charge)
The overall charge is:
\[ 9 \, (\text{protons}) - 10 \, (\text{electrons}) = -1 \]
Thus, the ion can be expressed as:
\[ \text{F}^- \]
So, the answer is the fluoride ion: **F⁻**.
Quick Answer
The ion is F⁻.
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