L11. Giant covalent structures

• Chem
• Secondary Education

• You can go to the bathroom until 9:50AM. Leaving the room during our session is NOT allowed.
• Keep your shirt tucked in. The person who is untucked will PRESENT A TOPIC NEXT WEEK.
• Prepare your chemistry materials.
• Put your phone in the tray.

Before we begin:

Lesson 11

Giant Covalent Structures

07-10-2022

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Ionic compounds are poor conductors in the solid state. Give ONE reason why this happens.

• identify and explain the properties of diamond and graphite as giant covalent structures
• make a 3D model of diamond and / or graphite as giant covalent structures

Success Criteria

Language 

development

• giant covalent structure
• physical properties
• covalent bonding
• hardness

Know the keywords

• appearance
• electrical conductivity

Important Keywords and Concepts

• Individual; written
• Do the important concepts activity. 
• You only have 10 minutes.
• Checking!

Background knowledge

• Individual; written
• Write your hypothesis in the table given found on backside of your paper. 
• You only have 7 minutes.
• Checking!

What is the main difference between the two?

Q and A

central atom

How is a central atom carbon drawn in graphite?

Q and A

3D Model-making

• Group work
• Make 3D model of:

- T1, 2, 5: Diamond

- T3, 4: Graphite 

• You only have 10 minutes.
• Checking!

Writing your Conclusion

• Individual; written
• Write your final answers to the given questions.
• You only have 7 minutes.
• Checking!

Self - Evaluation
😁 - I can do this! I am ready to try something new.
😅 - I am getting there! I need a bit of help. I am a bit unsure. I might need to practice.
😬 - I need help! I don't understand this. I am not ready to move on yet.

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• Monday - Practical investigation

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