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Atomic and Molecular Structure 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. Why is oxygen important?

Question 2 2. How many elements are there?

Question 3 3. What does the atomic number represent?

Question 4 4. Which of the following is made up of one or more elements?

Question 5 5. About how much of your body is made up of macrominerals?

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Question 6 6. What is the maximum number of electrons that can occupy the 2s orbital?

Question 7 7. An element is defined by the number of:

Question 8 8. What are trace elements?

Question 9 9. About how many years does it take for your body to replace all of its molecules?

Question 10 10. If Argon is a noble gas and its atomic number is 18, how many electrons can be found in the valence level?

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Question 11 11. Which of the following statements is true?

Question 12 12. Which of the following is a definition of matter?

Question 13 13. Which of the following has a positive charge and a mass of one amu?

Question 14 14. What role does carbon play in the body?

Question 15 15.

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.

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Question 16 16. Which of the following is a correct definition of an element?

Question 17 17. Which of the following statements is true?

Question 18 18. If only one type of atom makes up a substance, what can you call this substance?

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

Atomic and Molecular Structure 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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