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QUESTION

Science - Atoms, elements and compounds

3.  24 g of magnesium were burned up in oxygen. The compound formed had a mass of 40g. Explain why the mass has gone up.

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**** magnesium ***** in ******* ********* ***** ** ****** according ** *** ******** belowMg ******* MgOCompound ****** ** *** ***** mass ** atomic mass ** ** * atomic mass ** ****** I= *** ** * ***

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****** **** ** ****** to **** ***** ********** *********** prrocess ** ********* ******** ** ** oxidation ie ******** ** ****** ** * subastancetherefore ********* ***** ** oxygen to **** ********* ***** *** addition of oxgen is the *** *********** *** ** ******** in total ****

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