top of page
  • Symbol: Be
  • Group: II
  • Period: 2
  • Relative Atomic Mass: 9
  • Atomic Number: 4
  • Status: Metal

Beryllium

9



4

O

Be

The Group (column) Number =

the number of electrons on the outer shell of the atom

The Period (row) Number =

the number of shells on the atom

bottom of page