This classic demonstration involves conducting flame tests of metal salt solutions. The colour of each flame test can be used as a qualitative test to detect the presence of the corresponding metal salt. Refer back to this demonstration when considering the spectroscopic work done by Neils Bohr and others that led to the ideas of energy levels and the quantization of energy.
Categories: Teacher Demonstration
The International Astronomical Union classifies solar system bodies into three categories: planets, dwarf planets, and small solar system bodies (including comets, asteroids, and... read more
Chemists are constantly faced with the daunting task of counting large numbers of items, specifically atoms, ions, molecules and compounds. This task is made even more difficult by the fact that not... read more