Cyanide: any chemical compound that contains the monovalent combining group CN; consists of a carbon atom triple-bonded to a nitrogen atom; is a negatively charged ion when present in inorganic cyanides like sodium cyanide; most are highly toxic
Children in a chemistry lesson in 1955 Today's chemistry kits have a different emphasis. Some of the bigger sellers recently have included one capable of making edible creations tied to film franchises and a perfume kit aimed at girls. These kits are not capable of the experiments of old. The first chemistry sets for children included dangerous substances like uranium dust and sodium cyanide, but all that has changed.