before 1937, all naturally occurring

  1. before 1937, all naturally occurring elements had been discovered except element 43. chemists predicted the chemical properties
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  2. According to the Venn diagram, which of the following is the main difference between rocks and minerals?Minerals are not
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  3. Before 1937, all naturally occurring elements had been discovered, but no one had found any trace of element 43. Chemists were
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  4. Which of the following is the correct definition of minerals?a. a naturally occurring, inorganic solid that forms through
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  5. Use the information about two substances to answer the question.Substance A: organic, naturally occurring, solid Substance B:
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  6. Use the information about two substances to answer the question.Substance A: organic, naturally occurring, solid Substance B:
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  7. On Earth, naturally occurring calcium metal contains 6 isotopes: Ca-40, Ca-42, Ca-43, Ca-44, Ca-46, Ca-48. Select all of the
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  8. Use the information about two substances to answer the question. Substance A: organic, naturally occurring, solid Substance B:
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  9. 1. Which of the following is the correct definition of minerals.a. a naturally occurring, inorganic soild that has a crystal
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  10. 1. Which of the following is the correct definition of minerals?A) A naturally occurring, inorganic solid that has a crystal
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    2. Tim asked by Tim
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