Decay reaction Whiteboard exercise Play

Decomposition of ammonia on a metal surface Animation Play

Deficiency of macro-elements Whiteboard exercise Play

Density Class activity Play

Density Whiteboard presentation Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Determination of molecular structure Student activity Play

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

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

Determining the formula of a compound knowing the valence of its elements Whiteboard exercise Play

Dichromate volcano Animation Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Distillation of liquid air Animation Play

Dynamic state of chemical equilibrium Student activity Play

Earth's atmosphere Animation Play

Effect of reactant pressure on the rate of a chemical reaction Student activity Play

Effects of macro-element deficiencies Student activity Play

Effects of macro-element deficiencies Simulation Play

Effects of physical factors on the rate of photosynthesis Slideshow Play

Effects of the polarity of water molecules Animation Play

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

Electron configuration of atoms Student activity Play

Electron configuration of elements Student activity Play

Electron configuration of elements Whiteboard exercise Play