A short lesson about helium, neon, argon, and krypton noble gases elements.
The lesson includes electron arrangement and the physical properties of noble gases.
Introduction and physical characteristic of noble gases/group 18 elements 0:09
Helium and its uses 0:57
Electron arrangement Helium, Neon, Argon & Krypton 1:35
Uses of noble gases Neon, Argon & Krypton 2:32
Melting point & Boiling point trend of group 18 elements
Credits to pixabay for video and images used in this video.

свернуть