Copyright

Atomic Structure Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. The valence electrons for Argon complete which energy level?

Question 2 2. Which of the following elements would have the best electrical conductivity?

Question 3 3. Which scientist is famous for doing the oil drop experiment?

Question 4 4. Sodium sulfide has two sodium atoms (atomic mass of 23 amu) and one sulfur atom (atomic mass of 32 amu). The formula mass is which of the following?

Question 5 5. If the mass number changes, what will be created?

Page 2

Question 6 6. When an atom has more protons than electrons, it will have which of the following?

Question 7 7. Hydrogen bonds would be made with molecules that have which of the following properties?

Question 8 8. Which element has 16 protons?

Question 9 9. Covalent bonds have which of the following characteristics?

Question 10 10. Which of the following is required for a covalent bond?

Page 3

Question 11 11. Which of the following would be the likely valence for the element Fluorine?

Question 12 12. What type of bond is the result of uneven distribution of charge in a molecule?

Question 13 13. The mass number indicates:

Question 14 14.

Which element is found in the group described by the statement below?

This group contains poisonous, very reactive elements often used in bacteria killing or household cleaners.

Question 15 15. Which of the following is made up of one or more elements?

Page 4

Question 16 16. What is a covalent bond?

Question 17 17. Which of the following was the instrument used for the discovery of the electron?

Question 18 18. What is the correct definition of an ion?

Question 19 19. Which of the following is true about nonpolar covalent bonds?

Question 20 20. Which of the following statements is true regarding hydrogen bonds?

Page 5

Question 21 21. What information can you retrieve from a molecular formula?

Question 22 22. If Argon is a noble gas and its atomic number is 18, how many electrons can be found in the valence level?

Question 23 23. The nucleus of an atom:

Question 24 24. Which of the following is the poorest conductor of electricity?

Question 25 25. Which of the following statements is true?

Page 6

Question 26 26. What are valence electrons?

Question 27 27. Who first coined the term atom, meaning indivisible?

Question 28 28. What holds atoms together in a molecule?

Question 29 29. Which of the following is true about polar covalent bonds?

Question 30 30. A hydrogen bond is _____.

Atomic Structure Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Science 101: Intro to Natural Sciences  /  Science Courses
Support