Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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**Understanding the Periodic Table and Electron Configurations**

In this assignment, we focus on identifying elements based on their valence electron configurations and their positions in the periodic table. 

Below is an image of a periodic table. Each element is represented by its chemical symbol, and the table is organized by groups (vertical columns) and periods (horizontal rows). The periodic table provides essential information about elements including their group and period, which are significant in understanding their properties and behaviors.

### Periodic Table Explanation
- **Groups:** The vertical columns numbered 1A to 8A (or 1 to 18 in modern IUPAC numbering) represent groups. Elements in the same group have similar chemical properties and the same number of valence electrons.
- **Periods:** The horizontal rows represent periods. Elements in the same period have the same number of atomic orbitals.

### Questions to be Answered
1. **Identify the Element with Valence Electron Configuration of 2s¹**
    - This configuration refers to an element in the second period with one electron in the 2s orbital.
    - **Group:** (Fill in the group number)
    - **Period:** (Fill in the period number)

2. **Identify the Element with Valence Electron Configuration of 4s²**
    - This configuration refers to an element in the fourth period with two electrons in the 4s orbital.
    - **Group:** (Fill in the group number)
    - **Period:** (Fill in the period number)

### Answer Submission
Once you have determined the elements based on their valence electron configurations, fill in the respective group and period numbers and submit your answers using the provided buttons:
- **Submit Answer**
- **Retry Entire Group (if needed, you have 6 more attempts remaining)**

By understanding the structure and organization of the periodic table, you can effectively identify and predict the properties of elements based on their electron configurations. This is a fundamental skill in chemistry that allows for deeper insights into chemical reactions and properties of matter.
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Transcribed Image Text:**Understanding the Periodic Table and Electron Configurations** In this assignment, we focus on identifying elements based on their valence electron configurations and their positions in the periodic table. Below is an image of a periodic table. Each element is represented by its chemical symbol, and the table is organized by groups (vertical columns) and periods (horizontal rows). The periodic table provides essential information about elements including their group and period, which are significant in understanding their properties and behaviors. ### Periodic Table Explanation - **Groups:** The vertical columns numbered 1A to 8A (or 1 to 18 in modern IUPAC numbering) represent groups. Elements in the same group have similar chemical properties and the same number of valence electrons. - **Periods:** The horizontal rows represent periods. Elements in the same period have the same number of atomic orbitals. ### Questions to be Answered 1. **Identify the Element with Valence Electron Configuration of 2s¹** - This configuration refers to an element in the second period with one electron in the 2s orbital. - **Group:** (Fill in the group number) - **Period:** (Fill in the period number) 2. **Identify the Element with Valence Electron Configuration of 4s²** - This configuration refers to an element in the fourth period with two electrons in the 4s orbital. - **Group:** (Fill in the group number) - **Period:** (Fill in the period number) ### Answer Submission Once you have determined the elements based on their valence electron configurations, fill in the respective group and period numbers and submit your answers using the provided buttons: - **Submit Answer** - **Retry Entire Group (if needed, you have 6 more attempts remaining)** By understanding the structure and organization of the periodic table, you can effectively identify and predict the properties of elements based on their electron configurations. This is a fundamental skill in chemistry that allows for deeper insights into chemical reactions and properties of matter.
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