About My Element
Beryllium is a very interesting element. It's Atomic Number is 4, and it's Mass is 9.012. It's period and group number are both 2! It is a solid metal, and is part of the Alkali Earth Metal Family.
It is used by Nasa and various other space organizations for space exploration.
Even our satellites have Beryllium in them!
This element is very good at hold in nuclear waste and is used in main reactors.