A triangle and circles Student activity Play

A triangle and circles Simulation Play

Alkali metals Class activity Play

Alkali metals Whiteboard presentation Play

Atomic and ionic radii Simulation Play

Atomic mass and atomic radii Illustration Play

Atomic radii Whiteboard exercise Play

Atomic radii Student activity Play

Atomic radii Animation Play

Atomic radii Simulation Play

Atomic radii of alkali metals Animation Play

Atomic radii of alkali metals Slideshow Play

Atomic radii of the s-block elements Whiteboard exercise Play

Atomic radii of the s-block elements Student activity Play

Atomic radius Student activity Play

Change in the atomic radius across Period 3 Animation Play

Determination of atomic radii Animation Play

Elements of Group 17 Whiteboard presentation Play

Elements of Group 17 Class activity Play

Enthalpy of hydration Student activity Play

Factors affecting enthalpy of hydration Animation Play

Finding the inscribed angle Animation Play

Finding the length of the radii of the circles Whiteboard exercise Play

Group trends Student activity Play

Group trends Whiteboard exercise Play