Tuhé a plynné nekovy


799px-Sulfur-sample.jpgDiamond-and-graphite-with-scale.jpgPhosphComby.jpgSample_of_iodine.jpg
síra - uhlík - fosfor - jód -
Hydrogen_discharge_tube.jpgLiquid_Oxygen.gifChlorine_ampoule.jpgLiquid_fluorine_tighter_crop.jpg
vodík - kyslík - chlór - fluór -