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AP Chemistry: Atomic Structure: Help and Review 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 does the atomic number represent?

Question 2 2. Which of the following sets of quantum numbers CAN exist?

Question 3 3. ALL atoms of the same element have:

Question 4 4. Magnesium has three common isotopes. Based on its average atomic mass, which is the most common?

Question 5 5. Why did Democritus disagree with Aristotle?

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Question 6 6. The mass number indicates:

Question 7 7. What should the electron configuration for neon (Ne) end with? Is it going to be a stable atom or a reactive atom?

Question 8 8. A tenth of a mole of pennies contains how many pennies?

Question 9 9. The average atomic mass or atomic weight found on the periodic table is _____.

Question 10 10. Particles that are found in the atomic nucleus are:

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Question 11 11. Which is the symbol for the element that contains six electrons in each of its neutral atoms?

Question 12 12. How many neutrons does the most common isotope of hydrogen have?

Question 13 13. A piece of copper wire contains 5 moles of copper atoms. What is its mass?

Question 14 14. A piece of pencil graphite (made of carbon atoms) has a mass of 0.12 grams. How many moles of carbon atoms are in the lead?

Question 15 15. An element is defined by the number of:

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Question 16 16. The nucleus of an atom:

Question 17 17. Which element has a mass number of 12 and contains 6 neutrons?

Question 18 18. X and Y are elements that are isotopes to each other. Which of the following is true about X and Y?

Question 19 19. A computer chip contains 1.20 x 10^23 atoms of silicon. What is its mass?

Question 20 20. The Bohr model of the atom:

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Question 21 21. Who first coined the term atom, meaning indivisible?

Question 22 22. What did Rutherford discover in his gold foil experiment?

Question 23 23. What is the principal quantum number for the last electron that is added to potassium?

Question 24 24. Which scientist is credited with discovering the charge of an electron?

Question 25 25. Which of the following has a positive charge and a mass of one?

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Question 26 26. Which letter orbital corresponds to l = 2?

Question 27 27. Which block is manganese (Mn) located in?

Question 28 28. Which of the following was the instrument used for the discovery of the electron?

Question 29 29. A piece of aluminum foil has a mass of 27 grams. About how many atoms does this contain?

Question 30 30. 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?

AP Chemistry: Atomic Structure: Help and Review 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!

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