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a unknown substance A on a chemical action decomposed to B and C . what type of substance are A, B and C - an element , a compound or a mixture ? justify your answer
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Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.
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a unknown substance A on a chemical action decomposed to B and C . what type of substance are A, B a...
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