In Stock nomenclature, the number after the metal's name indicates what property?

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Prepare for the Dual Enrollment Physical Science Midterm. Study with flashcards and multiple choice questions, each with hints and explanations. Ace your exam!

Multiple Choice

In Stock nomenclature, the number after the metal's name indicates what property?

Explanation:
In Stock nomenclature, the number that follows the metal name shows the metal’s oxidation state—the charge on the metal ion in that compound. This tells you which form of the metal is present and how it balances with the surrounding anions. For example, in a compound named copper(II) chloride, copper carries a +2 charge to balance the chloride ions (each −1) so the overall compound is neutral. That numeral is effectively the ionic charge of the metal in that context. It’s not indicating atomic mass or melting point, which are unrelated to how the compound is named. So the number communicates the metal’s ionic charge (its oxidation state) in that compound.

In Stock nomenclature, the number that follows the metal name shows the metal’s oxidation state—the charge on the metal ion in that compound. This tells you which form of the metal is present and how it balances with the surrounding anions. For example, in a compound named copper(II) chloride, copper carries a +2 charge to balance the chloride ions (each −1) so the overall compound is neutral. That numeral is effectively the ionic charge of the metal in that context. It’s not indicating atomic mass or melting point, which are unrelated to how the compound is named. So the number communicates the metal’s ionic charge (its oxidation state) in that compound.

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