Monday, October 20th, 2025 (RED)

Objectives:

1. Students will be able to write an electron configuration for an atom or ion.

2. Students will be able to use the Periodic Table to write electron configurations.

Warm-Up: 

1. List and describe the three rules for correctly writing an electron configuration.

2. Please describe what is incorrect about the following electron configurations (here).

3. Write the electron configuration for Cobalt (Co).

Daily Plan:

1st Half of Class

1. Go over Electron Configuration Practice 1

A. Write the electron configurations for the following elements:

1. Hydrogen  2. Lithium                       3. Beryllium  4. Magnesium

B. What do you notice about the configurations for 1. and 2.?

C. What do you notice about the configurations for 3. and 4.?

2. Discussion- Electron Configurations and the Periodic Table

2nd Half of Class

3. Activity- Electron Configuration Practice 2

                   Electron Configuration Practice 2 KEY

Homework:

1. Complete HWQ- Atomic Structure by midnight (tonight)

2. Complete Electron Configuration Practice 2 (B.O.P. 10/22)

3. Complete HWQ- Atomic Mass by midnight (10/28)

4. Complete HWQ- Electron Configurations by midnight (11/3)