Electronegativity of fluorine Animation Play

Electronegativity of Period 3 elements Illustration Play

Electrovalent (ionic) bonding Student activity Play

Elements Class activity Play

Elements Whiteboard exercise Play

Elements Student activity Play

Elements Whiteboard presentation Play

Elements and non-elements – sorting substances Whiteboard exercise Play

Elements of a cylinder Whiteboard exercise Play

Elements of a cylinder Student activity Play

Elements of a pyramid Student activity Play

Elements of a pyramid Whiteboard exercise Play

Elements of Group 17 Class activity Play

Elements of Group 17 Student activity Play

Elements of Group 17 Whiteboard presentation Play

Elements of Group 17 Whiteboard exercise Play

Elements of Period 3 of the periodic table Student activity Play

Elements of Period 3 of the periodic table Whiteboard exercise Play

Elements of synapse Whiteboard exercise Play

Elements of the body's response Whiteboard exercise Play

Empirical formulae and molecular formulae of compounds Student activity Play

Energy changes during chemical reactions Animation Play

Energy changes during the combustion of Period 3 elements in oxygen Animation Play

Energy in chemical bonds Slideshow Play

Energy in chemical reactions Student activity Play