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*what are some of the safety concerns for barium sulfate & barium sulfide? explain
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Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
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In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
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*what are some of the safety concerns for barium sulfate & barium sulfide? explain...
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