In the chemical formula for an ionic compound, which item is written first?Athe chargeBnegative ionCpositive ion
Question
In the chemical formula for an ionic compound, which item is written first?
- A. the charge
- B. negative ion
- C. positive ion
Solution
Answer
In the chemical formula for an ionic compound, the positive ion (cation) is written first, followed by the negative ion (anion). This is a standard convention in chemical nomenclature that reflects the composition of the compound. For example, in sodium chloride (NaCl), sodium (Na⁺) is the positive ion and chloride (Cl⁻) is the negative ion.
Summary
- Cation First: The positive ion is listed first in the formula.
- Anion Second: The negative ion is listed second.
Therefore, the correct answer is C: positive ion.
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