QQuestionChemistry
QuestionChemistry
How many electrons, protons, and neutrons are there in a Cl⁻ ion?
A. 18, 17, 18
B. 18, 17, 17
C. 16, 17, 18
D. 17, 18, 18
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Answer
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Step 1Let's solve this step by step:
Step 2: Determine the atomic number of Chlorine
- Chlorine's atomic number is 17, which means a neutral chlorine atom has 17 protons - The atomic number is always equal to the number of protons in an atom
Final Answer
The correct answer is A. 18, 17, 18.
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