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Chapter 2: Q62P (page 83)

How can ionic compounds be neutral if they consist of positive and negative ions?

Short Answer

Expert verified

The charges of the anions and cations cancelled each other out in ionic compounds.

Step by step solution

01

Define ionic compounds

The ionic compounds are chemical compounds that are formed from the cations (metals) and anions (nonmetals). The general chemical formula for binary ionic compounds is expressed asMpXq .

Here, M is a cation with more electropositive metals and X is an anion with more electronegative nonmetals, p and q are subscripts of Mand N respectively.

02

How ionic compounds can be neutral

The total number of negative charges of the anions is exactly equal to the total number of positive charges of the anions in ionic compounds. Although containing both positive and negative ions, they are electrically neutral (zero net charge overall).

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Most popular questions from this chapter

Explain the following statement: The smallest particles unique to a compound cannot be atoms.

Use Dalton鈥檚 theory to explain why potassium nitrate from India or Italy has the same mass percents of K, N, and O.

Give the name, atomic symbol, and group number of the element with the following Z value, and classify it as a metal, metalloid, or nonmetal:

(a) Z = 33 (b) Z = 20 (c) Z = 35 (d) Z = 19 (e) Z = 13

The monatomic ions of Groups 1A(1) and 7A(17) are all singly charged. In what major way do they differ? Why?

State the mass law(s) demonstrated by the following experimental results, and explain your reasoning:

Experiment 1: A student heats 1.27 g of copper and 3.50 g of iodine to produce 3.81 g of a white compound; 0.96 g of iodine remains.

Experiment 2: A second student heats 2.55 g of copper and 3.50 g of iodine to form 5.25 g of a white compound, and 0.80 g of copper remains.
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