Lesson 4.3.3 Covalent bonding

• Chem
• Secondary Education
• Age 13

unstable atoms

stable ions

Ionic bonding : a type of chemical bonding between a metal and a non-metal

Lesson 4.3.3 | Covalent bonding

Today's Lesson Goals

• identify the key terms about covalent bonding
• explain how a covalent bond is formed using 3D models 
• describe the formation of covalent bonds through sketching molecules

Enquiry question: 

“What happens to the outermost electrons between two fluorine atoms in F₂ gas?”

javalab.org

javalab.org

Enquiry question: 

“What is a molecule?”

Collaborative Work

Building 

molecular models

Quick Task: Instructions

• Build the model of the molecule being shown.
• First team to give it to T. Russel, earns two team points.
• Sketch each model on your team paper.

COLLABORATIVE TEAMS

Team 1

Moniroth

Yali

Korng

Nary

Team 2

Nich

Kateka

Kimsuor

Team 3

Colawin

Rita

Vennessa

Team 4

Ponnareay

Phimean

Nalin

Team 5

Kimmeng

Keriya

Neath

MOLECULE 1

Hydrogen gas, H2

MOLECULE 2

Fluorine, F2

MOLECULE 3

Oxygen, O2

MOLECULE 4

Nitrogen, N2

MOLECULE 5

Water, H2O

MOLECULE 6

carbon dioxide, CO2

MOLECULE 7

ammonia, NH3

MOLECULE 8

methane, CH₄

MOLECULE 9

Ozone, O₃

Output Presentation