Media Summary: To celebrate/commemorate my 50th video, I review my ever-expanding periodic table I hope you enjoy this video! I have 18 different Promethium, represented by the symbol Pm, is a rare and radioactive
Element Collection Updated 61 Elements - Detailed Analysis & Overview
To celebrate/commemorate my 50th video, I review my ever-expanding periodic table I hope you enjoy this video! I have 18 different Promethium, represented by the symbol Pm, is a rare and radioactive Welcome back you all i just wanted to do a short clip of my There which is like wow that's that's quite a lot for a small that's more than silver yep some of these
![Element Collection [Updated] - 61 elements](https://i.ytimg.com/vi/CNwVQ5Tyy50/mqdefault.jpg)
