Science, Tech, Math › Science Compounds Made of Two Elements Share Flipboard Email Print Water is made of oxygen and hydrogen. Ben Mills Science Chemistry Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry in Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate by Anne Marie Helmenstine, Ph.D. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. Updated March 06, 2017 A compound is a chemical substance made up of two or more elements. Here is a list of examples of compounds made up of exactly two elements. H2O - waterNaCl - sodium chloride or table saltKCl - potassium chlorideHCl - hydrochloric acidN2O - nitrous oxide AgI - silver iodideAlN - aluminum nitrideB4C - boron carbideCdTe - cadmium tellurideCsF - cesium fluoride Continue Reading