atomic structure

• electron relative charge


  -1
• proton relative charge


  +1
• neutron relative charge


  0
• electron position in atom

  around nucleus
• proton position in atom

  in nucleus
• neutron position in atom

  in nucleus
• All Elements React to gain full outer shell
• The number of electron in the outermost shell is the group number of the elements
• Elements in the same group have same number of electron in their outer most shell