Electron Configuration
Created by Melanie Shaw
University of Memphis
mshaw2@memphis.edu
ID #: 11294

Subject Area: Science
Grade Level: 11

Lesson Summary
Electron configuration is used to visually represent where each electron is located in an element. Students should already know what quantum numbers are and how to identify them on the periodic table and relate them to the Bohr model of the atom. In this lesson students must use the periodic table and the subshell road map to help them determine the arrangement of electrons in an atom.


Learning Objectives and Computer Functions
This lesson plan uses 3 objectives.

Objective 1: Use the periodic table to determine the electron configuration of any atom
Uses The Internet to search for models of the periodi table in s,p,d,f

Objective 2: Use electron configuration to determine the atomic number, the element name, and the group number for any element
Uses CD-ROM Resources to practice problems on computer

Uses Non-Computer Tool to practice problems on the board

Objective 3: Use the subshell road map to determine the electron configuration of any atom.
Uses Drawing Software to create subshell road map

Uses CD-ROM Resources to create instructions for using road map


Problem
Problem Nature
Electron configuration uses quantum numbers, atomic orbitals, energy levels, and shells to identify electron arrangement. By relating these terms to hotels and elevators the students will better understand the rules for determining electron configuration.

Problem Data
given

Notes on Using Data
After the students understand how to determine electron configuration I will give them data with incorrect electron configurations that they must correct.

Problem Statement
We know that the periodic table is divided into the s,p,d,f block. Imagine that each of these represents a different type of hotel. The s subshell is the Motel 6. P is the Holiday Inn, d is the Hilton, and f is the Peabody. Think about the similarites and differences that you would find in each of these classes of hotels. We want to think about the number of elevators. Hotel 6 would have at most one elevator. In chemistry the hotels are atomic orbitals. There are 4 orbitals s,p,d,f. Each orbital has a set number of elevators or subshells. The s has 1, p=3, d=5, f=7. Also, these elevators/subshells can only hold 2 electrons at a time. Using this information you need to calculate the maximum number of electrons that go go into each orbital.


Data Manipulation
Instructions
The learner used computers at intermediate level

Integration Strategies
Use basic math concepts, counting, to determine where the number of electrons should be placed.

Organization Strategies
Organize the periodic table into the s,p,d,and f block. The learner should visually see the relationship between the atomic number and the electron configuration

Elaboration Strategies


Results Presentation

The poster of bulletin board will be used to demonstrate basic information about electron configuration. Students should complete a subshell road map on their poster that they can use to determine the electron configuration of any atom. Also, students must provide an example of the electron configuration of an s,p,d, and f element.

This will demonstrate intermediate knowledge about electron configuration. Students should explain to their peers how to correctly determine electron configuration given the atomic number. Students must incorporate the subshell road map or the periodic table into their presentation.


Activities
Activities Before Using the Computer
Before using the computer, the students will work at their desk individually solving electron configurations using their periodic table.

Strategies to develop students' attitudes towards the problem, motivation, and overall mindfulness:
Before using the computer, I will orally explain how to convert the periodic table into a road map and give an example. When the students start their computer work they must create their own and determine how to use it.

 

Activities While Using the Computer
Students will work at the computer groups

Group Information:
The students will work in groups of two at the computer. One student will design a subshell road map, including instructions on how to read it. The other student will use this roadmap and instruction provided by their partner to identify multiple electron configurations. Then they will switch roles.

 

Activities After Using the Computer
After using the computer the students will write electron configurations on the board using either the periodic table or the subshell road map.

Supporting Activities
While waiting for their turn at the computer, students should practice using the periodic table method of determining electron configuration. They should also familiarize their selves with the maximum number of electron that can fit into each shell.


Assessment
Students will be assessed by means of:

Included in the assessment:
The presentations should explain the lesson to the class and provide examples of how to determine electron configuration. The performance assessment will be a worksheet that we will go over orally. The worksheet will include multiple elements that the student must identify from the given electron configuration and determine the electron configuration of.




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