Alkaline earth metals Student activity Play

Alkaline earth metals Slideshow Play

Discovery of radioactivity Animation Play

Essential elements Whiteboard exercise Play

Essential elements – macro-elements; trace elements and ultra-trace elements Student activity Play

Groups in the periodic table Student activity Play

Half-life Student activity Play

Halogen lights Illustration Play

Macro-elements; trace elements and ultra-trace elements Slideshow Play

Non-metals Student activity Play

Nuclear radiation and live organisms Student activity Play

Nuclear radiation and live organisms Illustration Play

Occurrence of the alkaline earth metals in nature Animation Play

Properties of metals Class activity Play

Properties of non-metals Animation Play

Radioactivity Student activity Play

The discovery of positively charged particles Animation Play

The discovery of radioactivity Student activity Play

The phenomenon of radiation Student activity Play

The phenomenon of radiation Audio text Play

Trace elements and ultra-trace elements Student activity Play