Science, Tech, Math › Science Ions and Isotopes Quiz Ions and Isotopes in Atomic Structure Try this quiz to see if you know the parts of the atom and how they relate to ions and isotopes. Jaap Hart / 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. To change Li to Li⁺, you need to: add one electron remove one proton remove one electron add one neutron 2. Fe²⁺ and Fe³⁺ are different iron: ions isotopes elements atoms Correct Wrong 3. ¹⁴₆C and ¹²₆C are examples of carbon: ions neutrons isotopes valences molecules 4. ¹⁴₆C has how many protons? 6 12 14 20 5. Li⁺ and Cu²⁺ are examples of: anions cations isotopes molecules 6. What is the symbol for an ion which has 8 protons and 10 electrons? N³⁻ O²⁻ O³⁻ F⁻ 7. What is the nuclear symbol for the isotope of oxygen which has 9 neutrons? ¹⁶₈O ¹⁷₈O ¹⁸₈O ¹⁸₉O 8. Li⁺ has how many electrons? (hint: the atomic number of lithium is 3) 0 1 2 3 9. How many protons, neutrons, and electrons does ⁷₄Be²⁺ have? 4,3,2 4,3,4 4,3,6 4,6,3 10. N³⁻ has: 7 protons and 4 electrons 7 protons and 10 electrons 7 protons and 11 electrons 7 protons and 11 electrons Ions and Isotopes Quiz You got: % Correct. Need More Practice With Ions and Isotopes NI QIN / Getty Images You need to learn how to identify whether you're dealing with an ion or isotope and how to read and write their symbols in order to move on to chemical formulas and equations. From here, you might want to review an example of how to find the number of protons and neutrons in an isotope and the difference between anions and cations. Are you ready to try another chemistry quiz? See whether you know the atomic numbers of the elements. Share Your Results Ions and Isotopes Quiz You got: % Correct. You're an Atomic Structure Mastermind NI QIN / Getty Images You know the parts of the atom! Being able to identify ions and isotopes of atoms and knowing how to read and write their symbols is an important skill in chemistry. If you're feeling unsure of yourself, you can review how to find the number of protons, neutrons, and electrons in an atom or ion. Ready to take another quiz? See whether you can name these ionic compounds. Share Your Results