Chapter 5: Problem 3
Cations are _____ ions, and anions are _______ ions.
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Chapter 5: Problem 3
Cations are _____ ions, and anions are _______ ions.
These are the key concepts you need to understand to accurately answer the question.
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When an atom gains two electrons, the ion formed has a charge of ____________
Write the formula for each of the following simple binary ionic compounds a. cobalt(II) chloride b. cobaltic chloride c. sodium phosphide d. iron(II) oxide e. calcium hydride f. manganese(IV) oxide g. magnesium iodide h. copper(I) sulfide.
Under what physical state at room temperature do each of the halogen elements exist?
Write the formula for each of the following compounds, which contain polyatomic ions. Be sure to enclose the polyatomic ion in parentheses if more than one such ion is needed to balance the oppositely charged ion(s). a. silver(I) perchlorate (usually called silver perchlorate) b. cobalt(III) hydroxide c. sodium hypochlorite d. potassium dichromate e. ammonium nitrite f. ferric hydroxide g. ammonium hydrogen carbonate h. potassium perbromate
Most metallic elements form oxides, and often the oxide is the most common compound of the element that is found in the earth's crust. Write the formulas for the oxides of the following metallic elements. a. potassium b. magnesium c. iron(II) d. iron(III) e. zinc(II) f. lead(II) g. aluminum
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