Lesson 4.2.3 The noble gases

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Slide 1: Slide
ChemSecondary EducationAge 13

This lesson contains 16 slides, with interactive quizzes, text slides and 1 video.

Items in this lesson

Slide 1 - Slide

Today's Lesson Goals
  • explain why helium belongs to group 8 elements
  • create a simple info-poster about neon, argon, krypton, xenon, and radon’s properties
  • evaluate other groups’ posters using a rubric

Slide 2 - Slide

timer
5:00

Slide 3 - Slide

Enquiry question: Why does Helium belong to the Group 8 elements of the PT if it only has 2 electrons?

Slide 4 - Open question

Slide 5 - Video

Understanding key concepts

Slide 6 - Slide


The melting and boiling points of noble gases decrease as you go down the group.
TRUE
FALSE

Slide 7 - Poll


What happens to the size of the atoms as you go down group 8?
A
decreases
B
increases
C
stay the same
D
nothing happens

Slide 8 - Quiz


What similarity is there in the structure of the group 8 atoms?

Slide 9 - Open question

Slide 10 - Slide


Suggest why the noble gases is called group 8. 

Slide 11 - Open question

Slide 12 - Slide

Collaborative Work

Slide 13 - Slide

Quick Task: Instructions
With your teammates, make a poster about. 
  • T1. Neon 
  • T2. Argon
  • T3. Krypton
  • T4. Xenon
  • T5. Radon
Include: Name, Symbol, Structure, Boiling and Melting points, Uses
timer
10:00

Slide 14 - Slide

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

Slide 15 - Slide

timer
5:00

Slide 16 - Slide