MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Sodium-chlorine reaction. Sodium reacting with chlorine to form sodium chloride (NaCl, common salt). A combustion spoon holding a piece of the alkali metal sodium (Na) has been lowered into a gas jar containing the halogen gas chlorine (Cl2). The reaction is violent and exothermic (heat-releasing).
Model release not required. Property release not required.