การดู
3:00:51
Every Element on The Periodic Table to Fall Asleep To
1:00:19
The most relaxing periodic table video | Sleepy Science | Boring Science
4:20
Group 1 - The Alkali Metals | The Periodic Table | Properties of Matter | Chemistry | FuseSchool
2:19
Lithium - Periodic Table Quest
1:47
The Periodic Table: Soft Metal Symphony
0:19
Bill Gates Wall of Periodic Table! 😳 #shorts
2:15
Periodic Table of Elements Song - All 118 Elements
1:39
Physical properties of group 1 elements
