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Match the following. 1. an ancient study or art which attempted to combine science and philosophy to solve worldly problems metal 2. a homogeneous mixture of elements with metals to form metallic solids atom 3. the simplest unit of an element that still retains the properties of that element compound 4. two or more elements joined together such that the elements have lost their individual identity alloy 5. a primary substance that cannot be divided into separate substances element 6. the group of elements that are good conductors of electricity and heat alchemy 7. the group of elements that are poor conductors of electricity and heat nonmetal
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What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
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What does a numerical subscript following an element in a chemical formula mean?
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How many liters of oxygen gas, at standardtemperature and pressure, will react with 35.8 grams ofiron metal? 4 fe (s) + 3 o2 (g) → 2 fe2o3 (s)
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Match the following. 1. an ancient study or art which attempted to combine science and philosophy to...
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