Chemical elements Éléments chimiques 42 elements (chemical substances) 29 Elements 25 SCIENCE 23 Chemistry 22 Inorganic 15 Composés inorganiques 12 Inorganic compounds 12 Chemicals and Drugs 10 Inorganic Chemicals 10 Classification périodique des éléments 9 Periodic table of the elements 9 periodic table 9 Periodic law 8 Chimie 7 Loi périodique 7 �El�ements chimiques 5 History 5 Metals 5 Métaux 5 Phenomena and Processes 5 metal 5 Chemical Actions and Uses 4 Elements, Radioactive 4 Histoire 4 Physical & Theoretical 4 Delivery of Health Care 3 Disease 3 Diseases 3