IYPT 2019 Elements 030: Zinc: Galvanising, cosmetics and treating colds

Element 29 in our International Year of the Periodic Table series is zinc. Commonly used to galvanise other metals, it’s found in cars and streetlights. Its compounds are used in sunscreens, cosmetics, and medicines. Galvanising is the process of coating iron and steel in a thin coating of zinc. This coating prevents oxidation by itself corroding […]