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How to tell how many protons neutrons and electrons are in an element?
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Stage in which a typical star has completely stopped fusion
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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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If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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How to tell how many protons neutrons and electrons are in an element?...
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