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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Question
Ionization Energy Trend
Part A:
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Part B:
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Transcribed Image Text:**Ordering Elements by Ionization Energy**
The task presented is to order the following elements from lowest to highest ionization energy:
1. **Phosphorus, P**
2. **Silicon, Si**
3. **Sulfur, S**
4. **Aluminum, Al**
**Explanation of Ionization Energy:**
Ionization energy is the energy required to remove an electron from an atom. Generally, ionization energy increases across a period on the periodic table from left to right and decreases down a group. This is due to the increasing nuclear charge across a period, which holds the electrons more tightly, and additional electron shells down a group, which shield the outer electrons from the nuclear charge.
**Note:**
To determine the correct order, consider the position of the elements on the periodic table and trends in ionization energy.

Transcribed Image Text:Title: Ordering Elements by Ionization Energy
Task: Order these elements from lowest to highest ionization energy.
1. Magnesium, Mg
2. Barium, Ba
3. Strontium, Sr
4. Calcium, Ca
This exercise involves arranging the given elements based on their ionization energy, which is the energy required to remove the outermost electron. Understanding the trends in ionization energy across the periodic table will help you complete this task.
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