Chemical elements Éléments chimiques 43 elements (chemical substances) 30 Elements 25 SCIENCE 24 Chemistry 23 Inorganic 16 Periodic table of the elements 13 Composés inorganiques 12 Inorganic compounds 12 Chemicals and Drugs 10 Classification périodique des éléments 10 Inorganic Chemicals 10 periodic table 10 Periodic law 9 Chimie 8 Loi périodique 7 History 6 Metals 6 �El�ements chimiques 5 Histoire 5 Métaux 5 Phenomena and Processes 5 metal 5 Chemical Actions and Uses 4 Elements, Radioactive 4 Physical & Theoretical 4 Delivery of Health Care 3 Disease 3 Diseases 3