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The d and f sublevels do not fill when expected because the energy levels for periods can overlap.
Q5: Drinking water can be purified by which
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Q9: Bulimia is characterized as the failure to
Q44: Which of the following is a single
Q53: If 100 people in a town of
Q56: A solution is prepared by dissolving 4.66
Q59: A sample of gas collected at 21.0
Q63: The solubility of gases in water increases
Q65: Which of the following is a derived
Q80: Citric acid, a natural food preservative, accounts