IYPT 2019 Elements 051: Antimony: Ancient eyeliner and bullets

Element 50 in our International Year of the Periodic Table series is antimony. Used in antiquity as eyeliner and mascara, today antimony finds uses in fire retardants, car batteries and bullets. Antimony is one of the elements known since ancient times. Antimony sulfide (stibnite) was ground into a powder called kohl which could then be used […]