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When do you use Roman Numerals in naming an ionic compound and give two examples? What is the process of oxidation and use Gallium to illustrate it?

When do you use Roman Numerals in naming an ionic compound and give two examples? What is the process of oxidation and use Gallium to illustrate it?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Educational Content on Ionic Compounds and Oxidation** **1. When do you use Roman Numerals in naming an ionic compound and give two examples?** In chemistry, Roman numerals are used in the names of ionic compounds to indicate the charge of a metal cation that can have multiple oxidation states. The numeral denotes the valency of the metal ion involved in forming the compound. *Examples:* - Iron(III) oxide, Fe₂O₃: The Roman numeral III indicates the iron cation has a +3 charge. - Copper(II) sulfate, CuSO₄: The Roman numeral II denotes that the copper ion carries a +2 charge. **2. What is the process of oxidation and use Gallium to illustrate it?** Oxidation is a chemical process in which an atom, ion, or molecule loses electrons. In the context of redox reactions, oxidation refers to the loss of electrons or an increase in oxidation state by a molecule, atom, or ion. *Illustration with Gallium:* - Gallium can undergo oxidation when it reacts with oxygen to form gallium oxide (Ga₂O₃). In this reaction, each gallium atom loses three electrons, moving from a 0 oxidation state to a +3 oxidation state, resulting in the formation of Ga³⁺ ions in the compound.
Transcribed Image Text:**Educational Content on Ionic Compounds and Oxidation** **1. When do you use Roman Numerals in naming an ionic compound and give two examples?** In chemistry, Roman numerals are used in the names of ionic compounds to indicate the charge of a metal cation that can have multiple oxidation states. The numeral denotes the valency of the metal ion involved in forming the compound. *Examples:* - Iron(III) oxide, Fe₂O₃: The Roman numeral III indicates the iron cation has a +3 charge. - Copper(II) sulfate, CuSO₄: The Roman numeral II denotes that the copper ion carries a +2 charge. **2. What is the process of oxidation and use Gallium to illustrate it?** Oxidation is a chemical process in which an atom, ion, or molecule loses electrons. In the context of redox reactions, oxidation refers to the loss of electrons or an increase in oxidation state by a molecule, atom, or ion. *Illustration with Gallium:* - Gallium can undergo oxidation when it reacts with oxygen to form gallium oxide (Ga₂O₃). In this reaction, each gallium atom loses three electrons, moving from a 0 oxidation state to a +3 oxidation state, resulting in the formation of Ga³⁺ ions in the compound.
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