Beryllium is a chemical element with symbol Be and atomic number 4.
Please subscribe. New videos every week!
More memoryAlice
Twitter: [ Ссылка ]
Playstore : [ Ссылка ]
![](https://s2.save4k.ru/pic/ILuwkaNZuIw/maxresdefault.jpg)
Beryllium is a chemical element with symbol Be and atomic number 4.
Please subscribe. New videos every week!
More memoryAlice
Twitter: [ Ссылка ]
Playstore : [ Ссылка ]