Give the ground-state electron configuration for each of the following elements. After each atom is its atomic number in parentheses. (a) Boron (5) (b) Hydrogen (1)

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**Understanding Electron Configurations**

In this section, we will explore the ground-state electron configurations for each of the following elements. The atomic number for each element is provided in parentheses. This information will help you determine how the electrons are distributed in various atomic orbitals.

### Problem Statement

Provide the ground-state electron configuration for each of the following elements. The atomic number is given in parentheses.

(a) **Boron (5)**:
    - *Configuration: _____*

(b) **Hydrogen (1)**:
    - *Configuration: _____*

### Explanation

**Ground-state electron configuration** is the arrangement of electrons around the nucleus of an atom in its lowest energy state.

1. **Boron (5)**:
    - Atomic Number: 5
    - Electron Configuration: To find the electron configuration, we fill the orbitals in the order of increasing energy levels until we reach the total number of electrons which equals the atomic number.

2. **Hydrogen (1)**:
    - Atomic Number: 1
    - Electron Configuration: Since hydrogen only has one electron, the electron configuration is straightforward.

### Filling Order (Aufbau Principle)
The filling order for electron orbitals follows the pattern:
1s < 2s < 2p < 3s < 3p < 4s and so forth.

Use this principle to complete the electron configurations of Boron and Hydrogen as per the guidelines.

Complete the boxes with the correct electron configurations considering the filling order of the electron orbitals.
Transcribed Image Text:**Understanding Electron Configurations** In this section, we will explore the ground-state electron configurations for each of the following elements. The atomic number for each element is provided in parentheses. This information will help you determine how the electrons are distributed in various atomic orbitals. ### Problem Statement Provide the ground-state electron configuration for each of the following elements. The atomic number is given in parentheses. (a) **Boron (5)**: - *Configuration: _____* (b) **Hydrogen (1)**: - *Configuration: _____* ### Explanation **Ground-state electron configuration** is the arrangement of electrons around the nucleus of an atom in its lowest energy state. 1. **Boron (5)**: - Atomic Number: 5 - Electron Configuration: To find the electron configuration, we fill the orbitals in the order of increasing energy levels until we reach the total number of electrons which equals the atomic number. 2. **Hydrogen (1)**: - Atomic Number: 1 - Electron Configuration: Since hydrogen only has one electron, the electron configuration is straightforward. ### Filling Order (Aufbau Principle) The filling order for electron orbitals follows the pattern: 1s < 2s < 2p < 3s < 3p < 4s and so forth. Use this principle to complete the electron configurations of Boron and Hydrogen as per the guidelines. Complete the boxes with the correct electron configurations considering the filling order of the electron orbitals.
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