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Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Draw the lewis dot structure for each of the following polyatomic ions
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Which is a example of a chemical change a. mixing of poster colors b. formation of clouds c. metal c...
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