Determination of average atomic mass of boron Animation Play

Determination of enthalpy change in combustion reactions (1) Student activity Play

Determination of molecular structure Student activity Play

Determination of reaction rate by mass, conductometric and colorimetric measurements Student activity Play

Determination of the molecular structure of compound A using the mass spectrum Animation Play

Determination of the number of erythrocytes Animation Play

Determining the composition of a nucleus Animation Play

Determining the composition of atomic nuclei Student activity Play

Determining the empirical formula Student activity Play

Determining the empirical formula Animation Play

Determining the enthalpy of solution of sodium hydroxide Animation Play

Determining the mass of a solid Animation Play

Determining the mass of solute present in a titrated sample Whiteboard exercise Play

Determining the mass of solute present in a titrated sample Student activity Play

Determining the molecular formula Animation Play

Determining the molecular formula Whiteboard exercise Play

Determining the molecular formula Student activity Play

Determining the number of bacteria in a sample Animation Play

Determining the proportions of matter in the ecological pyramid Animation Play

Determining the relative molecular mass Animation Play

Determining the water content of a sample of soil Animation Play

Diagonals of polygons Student activity Play

Different questions Whiteboard exercise Play

Different questions about the same operation Whiteboard exercise Play

Different questions about the same operation. How many times more? How many times less? Student activity Play