Electronic Structure of Atoms 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. What generates an electromagnetic wave?

Question 2 2. What is the energy of an AM radio wave with a frequency of 500 kHz (5 x 105 Hz)?

Question 3 3. Based on the Aufbau Principle, which is the correct order for filling electrons on an electron orbital diagram?

Question 4 4. What element does this electron orbital diagram belong to?

Question 5 5. Which of the following describes the planetary model of the atom?

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Question 6 6. Which of the following is NOT a quantum number?

Question 7 7. How many orientations of orbitals does an f subshell have?

Question 8 8. Which object can you use to best describe an s orbital?

Question 9 9. Valence electrons are electrons located in _______ shell of an atom.

Question 10 10. The electron configuration of Kr is [Ar] 3d10 4s2 4p6. How many valence electrons does Kr have?

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Question 11 11. Which of the following states that electrons occupy the lowest energy levels first.?

Question 12 12. Which of the following states electrons occupy orbitals singly, then, after all orbitals are occupied, pair up in the same sublevels?

Question 13 13. Which of the following is a use of infrared?

Question 14 14. Which of the following kinds of waves is most commonly used to cook food?

Question 15 15. Which of the following is an exception to trends for electron affinity?

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Question 16 16. Which has the lowest electron affinity?

Question 17 17. What is quantum theory?

Question 18 18. Which of the following is NOT something that quantum theory helps explain?

Question 19 19. Blue light has a wavelength of about 475 nm. What is the approximate photon energy associated with blue light?

Question 20 20. A commercial, man-made system is using a channel at a wavelength of 2.92 m. What is the most likely application being used?

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Question 21 21. Which of the following principal quantum numbers has 2 subshells?

Question 22 22. What is the maximum number of electrons for the principal quantum number n = 3?

Question 23 23. What happens if electromagnetic radiation is shone upon a metal that has an energy lower than its work function?

Question 24 24. What is wrong with this electron orbital diagram for carbon?

Question 25 25. How is the quantum mechanical model of the atom different to the planetary model?

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Question 26 26. Which of the following is a p orbital?

Question 27 27. Except for helium, all noble gases have ______ valence electrons.

Question 28 28. Another guideline to determine electron configuration, which shows the exact order that the orbitals are supposed to be filled, is called:

Question 29 29. Which of the following waves is used most in telecommunications?

Question 30 30. Which of the following is correct about general trends regarding electron affinity?

Electronic Structure of Atoms 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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