Question The ratio of the ions in an ionic compound depends on the charges of the ions. The amount of positive charge must balance the amount of negative charge. For each compound, both the total positive charge and the total negative charge will equal the LCM found in part B. Determine the number of positive ions and the number of negative ions for each ionic compound in the table. Use the ionic charges of each element you found in part A. The number of each ion times the charge on the ion should equal the LCM determined for each cell in part B. [# of ions of an element] x [ion charge] = least common multiple (LCM) Drag each element's chemical symbol to the table to show how many ions are needed to balance the charges. Each symbol will be used more than once. The first row is already completed for you. Li Mg AI CION lithium (Li) magnesium (Mg) aluminum (AI) chlorine (CI) oxygen (O) nitrogen (N) Uu UGG Li Cl O N

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section1.13: The Periodic Table
Problem 1.9E
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### Part B

Read the least common multiple section of the [math review](math review link) for how to find the [least common multiple (LCM)](least common multiple (LCM) link) of two numbers. Then answer the question.

#### ❓ Question
Type the correct answer in each box to complete the table. Use numerals instead of words.

Determine the least common multiple of the charges for each combination of elements in the table. Ignore the plus (+) and minus (−) signs of the charges and just enter numerals. The first row is completed for you.

<table>
  <thead>
    <tr>
      <th></th>
      <th>chlorine (Cl)</th>
      <th>oxygen (O)</th>
      <th>nitrogen (N)</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>lithium (Li)</td>
      <td>1</td>
      <td>2</td>
      <td>3</td>
    </tr>
    <tr>
      <td>magnesium (Mg)</td>
      <td>2</td>
      <td>2</td>
      <td>6</td>
    </tr>
    <tr>
      <td>aluminum (Al)</td>
      <td>3</td>
      <td>6</td>
      <td>6</td>
    </tr>
  </tbody>
</table>

---

### Part C

#### ❓ Question
The ratio of the ions in an ionic compound depends on the charges of the ions. The amount of positive charge must balance the amount of negative charge. For each compound, both the total positive charge and the total negative charge will equal the LCM found in part B.

Determine the number of positive ions and the number of negative ions for each ionic compound in the table. Use the ionic charges of each element you found in part A. The number of each ion times the charge on the ion should equal the LCM determined for each cell in part B.

\[ \text{# of ions of an element} \times \text{ion charge} = \text{least common multiple (LCM)} \]

Drag each element's chemical symbol to the table to show how many ions are needed to balance the charges. Each symbol will be used more than once
Transcribed Image Text:### Part B Read the least common multiple section of the [math review](math review link) for how to find the [least common multiple (LCM)](least common multiple (LCM) link) of two numbers. Then answer the question. #### ❓ Question Type the correct answer in each box to complete the table. Use numerals instead of words. Determine the least common multiple of the charges for each combination of elements in the table. Ignore the plus (+) and minus (−) signs of the charges and just enter numerals. The first row is completed for you. <table> <thead> <tr> <th></th> <th>chlorine (Cl)</th> <th>oxygen (O)</th> <th>nitrogen (N)</th> </tr> </thead> <tbody> <tr> <td>lithium (Li)</td> <td>1</td> <td>2</td> <td>3</td> </tr> <tr> <td>magnesium (Mg)</td> <td>2</td> <td>2</td> <td>6</td> </tr> <tr> <td>aluminum (Al)</td> <td>3</td> <td>6</td> <td>6</td> </tr> </tbody> </table> --- ### Part C #### ❓ Question The ratio of the ions in an ionic compound depends on the charges of the ions. The amount of positive charge must balance the amount of negative charge. For each compound, both the total positive charge and the total negative charge will equal the LCM found in part B. Determine the number of positive ions and the number of negative ions for each ionic compound in the table. Use the ionic charges of each element you found in part A. The number of each ion times the charge on the ion should equal the LCM determined for each cell in part B. \[ \text{# of ions of an element} \times \text{ion charge} = \text{least common multiple (LCM)} \] Drag each element's chemical symbol to the table to show how many ions are needed to balance the charges. Each symbol will be used more than once
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