Defining a function by a table – activity Whiteboard exercise Play

Describing class intervals Student activity Play

Describing class intervals – alto singers Whiteboard exercise Play

Descriptions of ski-jumps Whiteboard exercise Play

Determining the electron configuration on the basis of the periodic table Student activity Play

Determining the electron configuration on the basis of the periodic table Whiteboard exercise Play

Distance – a more difficult problem Whiteboard exercise Play

Distance – a more difficult problem Student activity Play

Dmitri Mendeleev and the first periodic table Animation Play

Drawing conclusions Student activity Play

Drawing conclusions Whiteboard exercise Play

Effectiveness Whiteboard exercise Play

Electron configuration and periodic trends of transition elements Whiteboard presentation Play

Electron configuration and periodic trends of transition elements Class activity Play

Electron configuration and the periodic table Student activity Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table (1) Student activity Play

Electron configuration and the periodic table (2) Student activity Play

Electron configuration of atoms Class activity Play

Electron configuration of atoms Whiteboard presentation Play

Electronegativity and polarity Whiteboard presentation Play

Electronegativity and polarity Class activity Play

Elements Class activity Play