Determining the formula of a compound knowing the valence of its elements Student activity Play

Diagram of the Local Group Illustration Play

Discontinuous variation Student activity Play

Divisibility by 7 Whiteboard exercise Play

Divisibility by 7 Student activity Play

Do noble gases form compounds? Student activity Play

Do noble gases form compounds? Whiteboard exercise Play

Electron configuration Student activity Play

Electron configuration Student activity Play

Electron configuration and periodic trends of transition elements Class activity Play

Electron configuration and periodic trends of transition elements Whiteboard presentation 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 (1) Student activity Play

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

Electron configuration of an atom Animation Play

Electron configuration of Group 1 elements Animation Play

Electron configuration of halogens Animation Play

Electronegativity Animation Play

Electronegativity and polarity Class activity Play

Electronegativity and polarity Whiteboard presentation Play

Elements in Group 18 Student activity Play

Elements of Group 17 Student activity Play

Elements of Group 17 Whiteboard exercise Play

Elements of Group 17 Class activity Play