Beryllium
Be
Beryllium
The atomic number of Beryllium is 4 and the atomic mass of Beryllium is 9.012. Beryllium is in period amd group numbers 2.
Spot welding
Beryllium is used in a process called spot welding.
Communication satellites
Beryllium is used in communication satellites
Springs
Beryllium is in alloys along with copper and nickel and can make springs