Science, Tech, Math › Science Covalent Compound Names Quiz See Whether You Can Name These Covalent Compounds Test how well you can name covalent or molecular compounds and write the formulas from their names. PASIEKA / Getty Images Science Chemistry Molecules Basics Chemical Laws 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. Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College 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. Learn about our Editorial Process Updated on March 08, 2017 1. Let's start with an easy one. What is the formula for carbon dioxide? 2 CO CO₂ CaO₂ C₂O₂ 2. There are a few common names of covalent compounds you should memorize. For example, what is the formula for water? HO₂ 2 HO H₂O H₂O₂ 3. The correct name for SiC is: silicon carbide silver carbide carbosilicon silver carbon 4. What is the formula for carbon tetrachloride? C₄Cl 4 CCl CCl₄ CCl₅ 5. P₂O₅ is named: dipotassium pentoxide phosphorus oxide diphosphorus pentoxide diphosphorus heptoxide 6. What is the formula of nitrogen triiodide? NI N₃I HNI₃ NI₃ 7. What is the name given to H₂S(g)? hydrogenated sulfur sulfur hydride hydrogen sulfide hydrogen disulfide 8. SiO₂ is found in sand, glass, and quartz. What is the correct name for this compound? silicon dioxide silicate silicon salicylate 9. The formula for dinitrogen pentoxide is: Ni₂O₅ N₂O₄ N₃O₃ N₂O₅ 10. Ozone is another important covalent compound that is known by its common name. What is the formula for ozone? O₂ Os₃ O₃ CN Covalent Compound Names Quiz You got: % Correct. Kind of Clueless About Covalent Compound Naming PASIEKA / Getty Images You've learned your weak spots when it comes to naming covalent compounds and writing their formulas. The basic concepts you need to master include the element symbols, the prefixes used to identify the number of atoms, and the naming rules. Are you ready to try another chemistry quiz? See if you know the element symbols or test your knowledge of basic science facts. Share Your Results Covalent Compound Names Quiz You got: % Correct. Competent at Naming Covalent Compounds PASIEKA / Getty Images Nice work! You're comfortable naming covalent or molecular compounds and writing their formulas. If you're unsure of yourself, you can review the nomenclature rules and prefixes for covalent compounds. From here, it's a good idea to know the properties of covalent compounds. How about another quiz? See if you know how to name ionic compounds or whether you can predict whether a compound is soluble or insoluble in water. Share Your Results