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We cannot destroy atoms.Thus,it is possible to reclaim and recycle all materials.
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Q8: Hydrogen is a diatomic molecule, H<sub>2</sub>. The
Q16: For each of the following, write the
Q19: Temperature is a measure of the heat
Q21: Which of the following is not a
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Q70: Which of the following elements has the
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Q170: A line spectrum is to an element