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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!

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Question 1 1. Which element has 16 protons?

Question 2 2. 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 3 3. If the mass number changes, what will be created?

Question 4 4. Which scientist is famous for doing the oil drop experiment?

Question 5 5. The valence electrons for Argon complete which energy level?

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

Question 7 7. Covalent bonds have which of the following characteristics?

Question 8 8. Which of the following is required for a covalent bond?

Question 9 9. What type of bond is the result of uneven distribution of charge in a molecule?

Question 10 10. Which of the following would be the likely valence for the element Fluorine?

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Question 11 11. Hydrogen bonds would be made with molecules that have which of the following properties?

Question 12 12. Which of the following elements would have the best electrical conductivity?

Question 13 13. Which of the following is MOST likely to result in a hydrogen bond?

Question 14 14. Which of the following is made up of one or more elements?

Question 15 15. Which of the following is a definition of a polar covalent bond?

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Question 16 16. What holds atoms together in a molecule?

Question 17 17. What is the octet rule?

Question 18 18. What is an electron shell?

Question 19 19. ALL atoms of the same element have:

Question 20 20. Why did Democritus disagree with Aristotle?

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Question 21 21. Which of the following best describes this molecular formula H2O? (Note the 2 is subscripted)

Question 22 22. Which of the following will react violently with water to form a base?

Question 23 23. A polar molecule, such as the one involved in a hydrogen bond, is sometimes called _____.

Question 24 24. Which of the following is a definition of matter?

Question 25 25. Which of the following statements are true regarding electronegativity ?

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Question 26 26. Which of the following is a true statement about an anion?

Question 27 27. What is a covalent bond?

Question 28 28. If Argon is a noble gas and its atomic number is 18, how many electrons can be found in the valence level?

Question 29 29. If Atom #1 has 19 protons and 22 neutrons, and Atom #2 has 20 protons and 22 neutrons, are these isotopes of the same element?

Question 30 30. Who first coined the term atom, meaning indivisible?

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
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