The Periodic Table

HideShow resource information


  • Elements with similar properties form columns
  • Verticle columns are called groups
  • Elements in a group have the same number of electrons on the outer shell
  • The elements in group 0/8 are noble gases - stable and unreactive
1 of 2

Reading the Periodic Table

  • The top number is the mass number - total number of protons and neutrons
  • The bottom number is the atomic number - number of protons=number of electrons

To find the number of neutons subtract atomic number from mass number

2 of 2


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all The Periodic Table resources »