Physical & Chemical Properties of Earth's Minerals 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 will most likely have the highest lattice energy?

Question 2 2. If a substance has a half-life of 5 years, then how much of the initial sample remains after 15 years?

Question 3 3. What is the correct name for N2 O5?

Question 4 4. How many neutrons does the most common isotope of hydrogen have?

Question 5 5. ALL atoms of the same element have:

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Question 6 6. When naming a binary compound, what determines the prefix for an element in the compound?

Question 7 7. Which of the following has no mass and does not change the composition of the nucleus?

Question 8 8. Cobalt-57 has a half-life of about 272 days. If a sample has an initial mass of 2.24 grams and undergoes decay until it has a mass of 0.140 grams, then how many half-lives passed?

Question 9 9. X and Y are elements that are isotopes to each other. Which of the following is true about X and Y?

Question 10 10. What types of ions generally form an ionic compound?

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Question 11 11.

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 12 12. Which of the following is really just a high-energy electron?

Question 13 13. Carbon-10 has a half-life of about 19 seconds. How many half-lives does it undergo in 2 minutes and 32 seconds?

Question 14 14. Which of the following has a mass of 1 and an atomic number of 1?

Question 15 15. The average atomic mass or atomic weight found on the periodic table is _____.

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Question 16 16. Which of the following can be found in the second period of the periodic table?

Question 17 17. Magnesium has three common isotopes. Based on its average atomic mass, which is the most common?

Question 18 18. 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 19 19. How is an ionic bond formed?

Question 20 20. Which are the outermost electrons of an atom?

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Question 21 21. Which of the following is a property of an ionic compound?

Question 22 22. The nucleus of an atom:

Question 23 23. Which of the following is an example of an ionic compound?

Question 24 24. Which element has a mass number of 12 and contains 6 neutrons?

Question 25 25. Elements in Group 2 are known as the _____.

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Question 26 26. Which of the following is NOT a property of covalent compounds?

Question 27 27. A sample of thulium-171 has a mass of 0.4055 grams. How much is left after 6 half-lives?

Question 28 28. How are isotopes of the same element similar?

Question 29 29. Which of the following can be shielded by a piece of paper?

Question 30 30. Which is the best definition of a covalent compound?

Physical & Chemical Properties of Earth's Minerals 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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