Atomic Structure & Models 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 is NOT a quantum number?

Question 2 2. Two electrons orbiting an atom form a pair. One of them has a spin of 1/2. What is the spin of the other electron?

Question 3 3. Prior to Rutherford, which model of the atom prevailed?

Question 4 4. How did Rutherford interpret the results of his gold foil experiment?

Question 5 5. What is the name of the constant in the Heisenberg Uncertainty Principle equation?

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Question 6 6. What is quantum mechanics?

Question 7 7. What scientist gave Chadwick his start and worked with him throughout his career?

Question 8 8. Chadwick's earliest research focused on what?

Question 9 9. The mass of _______ is the same as the mass of a proton.

Question 10 10. What is true about all of the atoms of a single element?

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Question 11 11. How many electrons can fit into the p subshell?

Question 12 12. Which principle states that electrons fill orbitals with lower energy before moving on to higher energy orbitals?

Question 13 13. The cathode and anode in a cathode ray tube carry which of the following charges?

Question 14 14. In J. J. Thomson's 2nd experiment, he discovered that the charge in the cathode rays was negative. How did he find this out?

Question 15 15. How does the Bohr Model differ from the Rutherford model?

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Question 16 16. When writing electron configurations, electrons are represented in their lowest possible energy state, called their _____.

Question 17 17. If only one type of atom makes up a substance, what can you call this substance?

Question 18 18. Which of the following has a positive charge and a mass of one amu?

Question 19 19. Which of the following is not a variable in the de Broglie equation?

Question 20 20. What equation is lambda = h/mv?

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Question 21 21. Which of these is the electron configuration of an ion of Nitrogen that has 8 electrons, meaning it has a -1 charge?

Question 22 22. What is the electron configuration of hydrogen?

Question 23 23. What is an electron cloud?

Question 24 24. How did the actual results of the gold foil experiment differ from the expected results?

Question 25 25. The Heisenberg uncertainty principle is concerned with what two properties?

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Question 26 26. Which of the following particles is a subatomic particle, contained within the nucleus, with a known mass but no electric charge?

Question 27 27. A(an)___________ has a negative charge.

Question 28 28. Which of the rules discussed in this lesson relates to the spin of electron in an orbital?

Question 29 29. What was discovered about cathode rays and the electric charge in a CRT with J. J. Thomson's first experiment?

Question 30 30. When an electron moves from an excited state to a ground state, it will _____.

Atomic Structure & Models 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!

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