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Why are 99.9% of metals (pure) way more expensive than 95% metals?
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What shape would a molecule with two bound groups and two lone pairs have?
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Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma
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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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Why are 99.9% of metals (pure) way more expensive than 95% metals?...
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