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Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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What is the temperature of a water body containing a 90% saturation and 11.5 ppm of dissolved oxygen...
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