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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 of the following elements would have the best electrical conductivity?

Question 2 2. The valence electrons for Argon complete which energy level?

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

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

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Question 6 6. Which of the following would be the likely valence for the element Florine?

Question 7 7. What type of bond is the result of uneven distribution of charge in a molecule?

Question 8 8. Which element has 16 protons?

Question 9 9. When an atom has more protons than electrons, it will have which of the following?

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

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Question 11 11. Covalent bonds have which of the following characteristics?

Question 12 12. Which scientist is famous for doing the oil drop experiment?

Question 13 13. ALL atoms of the same element have:

Question 14 14. Which of the following is the poorest conductor of electricity?

Question 15 15. Which of the following is a correct definition of an element?

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Question 16 16. Why did Democritus disagree with Aristotle?

Question 17 17. A polar molecule, such as the one involved in a hydrogen bond, is sometimes called _____.

Question 18 18. What is an electron shell?

Question 19 19. Which of the following best describes this molecular formula 3H2O? (Note the 2 after the hydrogen atom is subscripted)

Question 20 20. Which of the following is a definition of a polar covalent bond?

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Question 21 21. Why do covalent bonds form?

Question 22 22. What is the correct definition of an ionic bond?

Question 23 23. 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 24 24. Which of the following will react violently with water to form a base?

Question 25 25. Which of the following is made up of one or more elements?

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Question 26 26. Which of the following was the instrument used for the discovery of the electron?

Question 27 27. Which of the following is MOST likely to result in a hydrogen 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. Which of the following is a true statement?

Question 30 30. Which of the following is true about nonpolar covalent bonds?

Atomic Structure Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

Science 101: Intro to Natural Sciences  /  Science Courses
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