Molar interpretation of chemical equations (2) Student activity Play

Molar mass of the gas Whiteboard exercise Play

Most useful chemical reactions Student activity Play

Names and chemical symbols of isotopes Animation Play

Names and symbols of elements Animation Play

Nervous and chemical regulation of respiratory movements Student activity Play

Neutralising acid Simulation Play

Newton's First Law for rotational motion Animation Play

Newton's First Law for rotational motion Whiteboard exercise Play

Newton's First Law for rotational motion Student activity Play

Newton's Second Law of Motion Whiteboard presentation Play

Newton's Second Law of Motion Class activity Play

Non-polar molecules Animation Play

Non-stoichiometric ratio of quantities of reactants Student activity Play

Not all collisions are effective Whiteboard exercise Play

Not all collisions are effective Student activity Play

Not all reactions involve collisions Student activity Play

Notation for the equilibrium state Animation Play

Observation of the temperature changes of the system during a chemical reaction Animation Play

On what does the period of a ball pendulum depend? Student activity Play

On what does the period of a ball pendulum depend? Simulation Play

On what does the period of a ball pendulum depend? Animation Play

On what does the period of a ball pendulum depend? Whiteboard exercise Play

Oscillations and circular motion Whiteboard exercise Play

Oscillations and circular motion Student activity Play