A different way of numbering groups in the periodic table Animation Play

Abundance of chemical elements in nature Whiteboard exercise Play

Abundance of chemical elements in nature Student activity Play

Abundance of elements in nature Slideshow Play

Abundance of the elements in the crust and in the whole Earth Animation Play

Abundance of the principal elements in the Universe Slideshow Play

Acids and alkalis Class activity Play

Across the periodic table Student activity Play

Addition of bromine to alkenes Animation Play

Addition of elements to alkenes Whiteboard exercise Play

Addition of elements to alkenes Student activity Play

Alkali metals Class activity Play

Alkali metals Student activity Play

Alkali metals Whiteboard presentation Play

Amides – naming, preparation, reactivity Animation Play

Application of transition elements and their compounds Slideshow Play

Application of various metals in cells Animation Play

Applications of elements arising from their conductivities Slideshow Play

Arrangement of chemical elements in the periodic table Student activity Play

Arrangement of the elements in the periodic table Whiteboard exercise Play

Arranging metals according to increasing reactivity Student activity Play

Arranging metals according to increasing reactivity Animation Play

Atom – the basic component of matter Animation Play

Atomic masses in the periodic table Student activity Play

Atomic number Student activity Play