Groups + Periodic Table

Group = column (vertical)

Period = row (horizontal)

Group 1: Alkali metals
Group 2: Alkali EARTH metals
Groups 3-12: Transition Elements
Group 17: Halogens
Group 18: Noble Gases

ElementsinthesamegrouphaveSIMILAR[chemical]propertiesElements in the same group have SIMILAR [chemical] properties

LHS→RHSofaperiod,propertieschangefromMETALLICtoNONMETALLICLHS → RHS of a period, properties change from METALLIC to NONMETALLIC