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How many magnesium atoms are there in 1 molecule

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2 votes
If you have one atom of Mg you just have one. You could have many atoms as there are atoms of Mg in the universe. Maybe you mean proton=12, neutrons= 12, electron= 12. 
User Nikobelia
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It is avogrado number. One molecue of magnesium has 6.023 x 10^23 atoms
User VelNaga
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