The formation of an image by a spherical mirror Student activity Play

The game of Change Places Animation Play

The groups of elements Whiteboard exercise Play

The law of periodicity and the properties of elements Animation Play

The melting points and boiling points of transition elements Animation Play

The modern periodic table Student activity Play

The names of elements Animation Play

The oxidation states of elements in compounds or ions Whiteboard exercise Play

The percentage of biogenic elements in the human organism Illustration Play

The periodic table Student activity Play

The periodic table of the elements Whiteboard presentation Play

The periodic table of the elements Class activity Play

The position of a gene on the chromosome Student activity Play

The position of a gene on the chromosome Whiteboard exercise Play

The position of point B Whiteboard exercise Play

The position vector of the midpoint of the segment Animation Play

The properties of chemical compounds and their constituent elements Student activity Play

The properties of chemical compounds and their constituent elements Slideshow Play

The relationship between atomic structure and the position of elements in periods Student activity Play

The relationship between atomic structure and the position of elements in periods Whiteboard exercise Play

The relationship between position and time Simulation Play

The relationship between position and time Whiteboard exercise Play

The relationship between position and time Student activity Play

The relationship between position and time Whiteboard exercise Play

The relationship between the electronegativity of elements and the chemical properties of their compounds Student activity Play