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CSET Science Subtest II Chemistry (218): Practice & Study Guide  /  Science Courses

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Understanding the Structure of Matter 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!

Page 1

Question 1 1. The nucleus of an atom:

Question 2 2. ALL atoms of the same element have:

Question 3 3. 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 4 4. Electronegativity is the ability of an atom to _____

Question 5 5. Which family has the lowest electronegativity?

Page 2

Question 6 6. Which element has the highest electronegativity?

Question 7 7. Which of the following will react violently with water to form a base?

Question 8 8. Which of the following can be found in the second period of the periodic table?

Question 9 9. Elements in Group 2 are known as the _____.

Question 10 10. When writing electron configurations, electrons are represented in their lowest possible energy state, called their _____.

Page 3

Question 11 11. How does the Bohr Model differ from the Rutherford model?

Question 12 12. Why should you avoid looking directly at magnesium burning?

Question 13 13. What is the maximum number of electrons that can be found in a 5p cluster (or orbital) of a single atom?

Question 14 14. Which block is manganese (Mn) located in?

Question 15 15. What should the electron configuration for neon (Ne) end with? Is it going to be a stable atom or a reactive atom?

Page 4

Question 16 16. Who explained the photoelectric effect?

Question 17 17. In the photoelectric effect, if you increase the brightness (intensity) of light you are shining on a metal, what will happen?

Question 18 18. Which of the following defines the photoelectric effect?

Question 19 19. As you move from top to bottom on the periodic table, what happens to the atomic radius?

Question 20 20. Which of these elements has the largest atomic radius?

Page 5

Question 21 21. Which of these elements has the largest atomic radius: argon, phosphorus, aluminum, sodium or magnesium?

Use this material to answer questions #22 through #24

periodic table

Question 22 22. How many valence electrons does krypton have?

Use this material to answer questions #22 through #24

periodic table

Question 23 23. In which energy level is the outer electron in rubidium located?

Use this material to answer questions #22 through #24

periodic table

Question 24 24. Which element in the second column is likely to be the most reactive?

Question 25 25. Which of the elements below has the highest ionization energy?

Page 6

Question 26 26. As you move from left to right on the periodic table, what generally happens to the ionization energy?

Question 27 27. What is ionization?

Question 28 28. Chemical reactivity happens all around us. Which of the following examples would require chemical reactivity in order to happen?

Question 29 29. How many substances must be present for chemical reactivity to happen?

Question 30 30. A periodic table can be used to predict which of the following?

Understanding the Structure of Matter 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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