विचारों
0:50
Sodium metal, soft, reactive, and squishy
0:38
Sodium metal is soft and squishy
0:48
rating how well metal Elements flatten #periodictable
0:48
Flattener: 1 elements: 0
0:39
Watch these chemicals react in mid-air!
0:32
Science ASMR: Cutting Open The Periodic Table (Part 1)
0:31
Hydrophobic Club Moss Spores
0:39
Touching mercury