By Orange Learning / August 3, 2023 Chemical Elements Lesson Content Chemical ElementsWhat are chemical elements?Physical properties of the chemical elementsMelting and boiling pointDensityElectrical and thermal conductivityChemical properties of chemical elementsReactivityElectronic affinityElectronegativityApplications of the properties of the chemical elementsMedicineIndustryEnergyClassification of chemical elementsCommon chemical elementsOxygen (O)Hydrogen (H)Carbon (C)Iron (Fe)Interesting facts about the chemical elementsConclusionExplore MoreReview QuestionsIndividual ActivitiesTake this Learning to a Group 🔒 Login or subscribe to access this content. «Previous lesson: Life of Marie Curie Next Lesson: Periodic Table» Module Lessons Life of Marie Curie Chemical Elements Periodic Table Polonium and Radium Radiotherapy Radioactivity and Diagnostic Medical Imaging Technology World War I Scientific Dissemination Scientific and Collaborative Networking Men and Women in Science