"Réactions chimiques Ouvrages de vulgarisation." . . "Chemiese reaksies." . . "Non-métaux Ouvrages de vulgarisation." . . "Nie-metale." . . "Ekstraksie (Chemie)" . . . . . . . . . . "Metals and nonmetals" . "Metals and nonmetals"@en . . . . . . "Metals and non-metals"@en . . . . . . . . "Metale en niemetale" . . . . . "Juvenile works"@en . . . . . "Discusses the properties of metals and nonmetals, describes their uses, and explains how they react with themselves and each other and the results of these reactions." . . . "Métaux Ouvrages de vulgarisation." . . "Metale." . . "Extraction (Chimie) Ouvrages de vulgarisation." . .