(L4) ORBITALS SPDF

• s-block


  • spherical cloud
  • posesses lower energy
  • close to the nucleus
  • group 1a to 2a
• p-block


  • dumb bell-shaped cloud having two lobes on opposite sides of the nucleus
  • electrons are never found near the nucleus
• d-block


  • four-clover
  • shape is more complicated
• f-block


  • orbital that are difficult to represent
  • too complex to visualize
• s-block or SHARP
• p-block or PRINCIPAL
• d-block or DIFFUSED
• f-block or FUNDAMENTAL