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Listed under:  Science  >  Matter  >  Chemical reactions  >  Bonding (Chemistry)
Interactive

Reactions and rates

This is an interactive resource in which students explore what makes a reaction happen by colliding atoms and molecules. The can design experiments with different reactions, concentrations, and temperatures. Students can use the potential energy diagram to determine the activation energy for the forward and reverse reactions, ...

Video

Atoms of Fire: Vitalism disproved through evidence

Discover how the scientific theory of vitalism, championed by the Swedish chemist Jöns Berzelius, was disproved by his former student Friedrich Wöhler. Find out the way chemists study how the different atoms in organic compounds combine in set ratios depending on the 'valence' of those atoms.