Wednesday, October 22nd, 2025 (RED)

Objectives:

1. Students will be able to determine the number of valence electrons an atom or ion has.

2. Students will be able to accurately predict what ion an atom will form. 

Warm-Up:

Part 1- (Beginning of class)

What is a positive ion called?  What is a negative ion called? (research)

Part 2- (After completing lesson)

A. How many valence electrons do the following elements have?            Draw the Lewis Dot Structure

B. What ion will the following elements form?                                     (hint- start with valence electrons)

1. Ca    2. Al    3. N    4. Br  

Daily Plan:

1st Half of Class

1. Go over Electron Configuration Practice 2

2. Notes- Valence Electrons and Ion Formation (Student)

                Valence Electrons and Ion Formation (TEACHER)

                Valence Electrons and Ion Formation (Lecture Video)

                                                             

2nd Half of Class

3. Activity- Electron Configuration Battleship!!! (Start)

4. Activity- Valence Electrons and Ion Formation Practice 2

                   Valence Electrons and Ion Formation Practice 2 KEY

5. Activity- Unit III Review Guide

                   Unit III Review Guide KEY

                   Unit III Review Guide KEY WITH WORK

Homework:

1. Complete Valence Electrons and Ion Formation Practice 2                                                                                       (B.O.P. 10/24)

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