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STAAR Science - Grade 8: The Periodic Table 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 the poorest conductor of electricity?

Question 2 2. Which of these elements has the largest atomic radius?

Question 3 3. The atomic mass of hydrogen is:

Question 4 4. Which of the following statements is FALSE regarding elements?

Question 5 5. In which energy level is the outer electron in rubidium located?

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Question 6 6. Which of the following elements has the same number of valence electrons as aluminum?

Question 7 7. Which of the following is a physical property of elements?

Question 8 8. An oxygen atom has eight protons, eight neutrons, and eight electrons. Its atomic mass is:

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

Question 10 10. Atomic mass is calculated by adding:

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Question 11 11. As you move from top to bottom on the periodic table, what generally happens to the ionization energy?

Question 12 12. This group of elements can be dull or shiny and they partially conduct heat and electricity.

Question 13 13. Which of the elements below has the smallest ionization energy?

Question 14 14. When locating the atomic number for an element on the periodic table, the atomic number can be found _____ the symbol for the element.

Question 15 15. Which of the following is NOT a property of metals?

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Question 16 16. Which of these elements has the largest atomic radius: argon, phosphorus, aluminum, sodium or magnesium?

Question 17 17. How many valence electrons does krypton have?

Question 18 18. How many valence electrons does silicon have?

Question 19 19. The nucleus of an atom is composed of _____.

Question 20 20. As you move from left to right on the periodic table, why does the atomic radius decrease?

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Question 21 21. The atomic number gives the number of _____ in the nucleus of an atom.

Question 22 22. What is ionization?

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

Question 24 24. Which of the elements below has the highest ionization energy?

Question 25 25. The core of an atom is called the:

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Question 26 26.

Which element is found in the group described by the statement below?

This group contains poisonous, very reactive elements often used in bacteria killing or household cleaners.

Question 27 27. As you move from top to bottom on the periodic table, what happens to the atomic radius?

Question 28 28. This is a table that organizes elements based on their atomic number and properties.

Question 29 29. Which of these elements has the smallest atomic radius?

Question 30 30. Which element in the second column is likely to be the most reactive?

STAAR Science - Grade 8: The Periodic Table 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!

STAAR Science - Grade 8: Test Prep & Practice  /  Science Courses
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