Characteristics & Chemicals of Life 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 an example of a compound?

Question 2 2. Which of the following will react violently with water to form a base?

Question 3 3. Which of the following statements is true?

Question 4 4. Which of the following can be found in the second period of the periodic table?

Question 5 5. Which of the following is made up of one or more elements?

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Question 6 6. The ability of iron to react to oxygen is an example of _____

Question 7 7. Which of the following is a correct definition of an element?

Question 8 8. How many elements are there?

Question 9 9. Ocean water is a good example of a mixture because _____

Question 10 10. Elements in Group 2 are known as the _____.

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Question 11 11. Which of the following is a molecule?

Question 12 12. ALL atoms of the same element have:

Question 13 13.

Given the following information, which element(s) are most likely to lose electrons?

I. Iodine is a member of Group VII (halides).

II. Strontium is located in the second column of the periodic table.

III. Selenium has six valence electrons.

Question 14 14. What are the properties of a solid?

Question 15 15. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

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Question 16 16. Molecules are made of _____ , while compounds are made of _____ .

Question 17 17. An element is defined by the number of:

Question 18 18. Magnesium has three common isotopes. Based on its average atomic mass, which is the most common?

Question 19 19. Particles that are found in the atomic nucleus are:

Question 20 20. X and Y are elements that are isotopes to each other. Which of the following is true about X and Y?

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Question 21 21. How many neutrons does the most common isotope of hydrogen have?

Question 22 22. The nucleus of an atom:

Question 23 23. What are the characteristics of a gas?

Question 24 24. Which of the following statements is NOT true about molecules?

Question 25 25. Which of the following is the poorest conductor of electricity?

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Question 26 26. What does the atomic number represent?

Question 27 27. Which of the following statements is true?

Question 28 28. Which of the following is a definition of matter?

Question 29 29. The mass number indicates:

Question 30 30. If Argon is a noble gas and its atomic number is 18, how many electrons can be found in the valence level?

Characteristics & Chemicals of Life 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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