This change is affected by impurities such as aluminium and zinc, and can be prevented by small additions of antimony or bismuth. The conversion was first noted as growths on organ pipes in European cathedrals, where it was thought to be the devils work. Tin resists distilled, sea, and soft tap water, but is attacked by strong acids, alkalis, and acid salts. Oxygen in solution accelerates the attack. When heated in air, tin forms SnO 2 .
Tin is used as one component in bell metals.
The Period 2 elements consist of the eight elements lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon. From the list below, select the number best representing the bond order in the diatomic molecule N 2 . All rights reserved.