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Air is mainly a mixture of nitrogen and oxygen. Which gas is the main component?
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If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition
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Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
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Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
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Air is mainly a mixture of nitrogen and oxygen. Which gas is the main component?...
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